diff --git a/aggregation_mode/Cargo.lock b/aggregation_mode/Cargo.lock
index 6e424297a6..b291acd46b 100644
--- a/aggregation_mode/Cargo.lock
+++ b/aggregation_mode/Cargo.lock
@@ -233,6 +233,21 @@ dependencies = [
  "syn 2.0.111",
 ]
 
+[[package]]
+name = "actix-web-prometheus"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad5228fd1a6b5d0f60d636776c2a70acc9fc667034bb4ac02ec4259f0eeeab6c"
+dependencies = [
+ "actix-service",
+ "actix-web",
+ "futures-lite",
+ "pin-project",
+ "prometheus",
+ "quanta",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "addchain"
 version = "0.2.0"
@@ -1588,7 +1603,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.3.0",
  "hex",
  "http 1.4.0",
  "ring 0.17.14",
@@ -1648,7 +1663,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.3.0",
  "http 0.2.12",
  "http-body 0.4.6",
  "percent-encoding",
@@ -1673,7 +1688,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.3.0",
  "http 0.2.12",
  "regex-lite",
  "tracing",
@@ -1695,7 +1710,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.3.0",
  "http 0.2.12",
  "regex-lite",
  "tracing",
@@ -1717,7 +1732,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.3.0",
  "http 0.2.12",
  "regex-lite",
  "tracing",
@@ -1740,7 +1755,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-smithy-xml",
  "aws-types",
- "fastrand",
+ "fastrand 2.3.0",
  "http 0.2.12",
  "regex-lite",
  "tracing",
@@ -1871,7 +1886,7 @@ dependencies = [
  "aws-smithy-runtime-api",
  "aws-smithy-types",
  "bytes",
- "fastrand",
+ "fastrand 2.3.0",
  "http 0.2.12",
  "http 1.4.0",
  "http-body 0.4.6",
@@ -2023,7 +2038,7 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cffb0e931875b666fc4fcb20fee52e9bbd1ef836fd9e9e04ec21555f9f85f7ef"
 dependencies = [
- "fastrand",
+ "fastrand 2.3.0",
  "gloo-timers 0.3.0",
  "tokio",
 ]
@@ -4132,6 +4147,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
 
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.3.0"
@@ -4409,6 +4433,21 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
 
+[[package]]
+name = "futures-lite"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
+dependencies = [
+ "fastrand 1.9.0",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
 [[package]]
 name = "futures-locks"
 version = "0.7.1"
@@ -4491,11 +4530,13 @@ version = "0.1.0"
 dependencies = [
  "actix-multipart",
  "actix-web",
+ "actix-web-prometheus",
  "agg_mode_sdk",
  "aligned-sdk",
  "alloy",
  "bincode",
  "hex",
+ "prometheus",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -4572,7 +4613,7 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "wasi",
+ "wasi 0.11.1+wasi-snapshot-preview1",
  "wasm-bindgen",
 ]
 
@@ -5725,6 +5766,15 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "112b39cec0b298b6c1999fee3e31427f74f676e4cb9879ed1a121b43661a4154"
 
+[[package]]
+name = "mach"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b823e83b2affd8f40a9ee8c29dbc56404c1e34cd2710921f2801e2cf29527afa"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "macro-string"
 version = "0.1.4"
@@ -5949,7 +5999,7 @@ checksum = "69d83b0086dc8ecf3ce9ae2874b2d1290252e2a30720bea58a5c6639b0092873"
 dependencies = [
  "libc",
  "log",
- "wasi",
+ "wasi 0.11.1+wasi-snapshot-preview1",
  "windows-sys 0.61.2",
 ]
 
@@ -6801,6 +6851,7 @@ dependencies = [
  "aligned-sdk",
  "alloy",
  "hex",
+ "prometheus",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -7150,6 +7201,46 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "procfs"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "731e0d9356b0c25f16f33b5be79b1c57b562f141ebfcdb0ad8ac2c13a24293b4"
+dependencies = [
+ "bitflags 2.10.0",
+ "hex",
+ "lazy_static",
+ "procfs-core",
+ "rustix 0.38.44",
+]
+
+[[package]]
+name = "procfs-core"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d3554923a69f4ce04c4a754260c338f505ce22642d3830e049a399fc2059a29"
+dependencies = [
+ "bitflags 2.10.0",
+ "hex",
+]
+
+[[package]]
+name = "prometheus"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d33c28a30771f7f96db69893f78b857f7450d7e0237e9c8fc6427a81bae7ed1"
+dependencies = [
+ "cfg-if",
+ "fnv",
+ "lazy_static",
+ "libc",
+ "memchr",
+ "parking_lot",
+ "procfs",
+ "protobuf",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "proof_aggregator"
 version = "0.1.0"
@@ -7252,6 +7343,12 @@ dependencies = [
  "prost",
 ]
 
+[[package]]
+name = "protobuf"
+version = "2.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
+
 [[package]]
 name = "puffin"
 version = "0.19.1"
@@ -7266,6 +7363,22 @@ dependencies = [
  "parking_lot",
 ]
 
+[[package]]
+name = "quanta"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7e31331286705f455e56cca62e0e717158474ff02b7936c1fa596d983f4ae27"
+dependencies = [
+ "crossbeam-utils",
+ "libc",
+ "mach",
+ "once_cell",
+ "raw-cpuid",
+ "wasi 0.10.2+wasi-snapshot-preview1",
+ "web-sys",
+ "winapi",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.3"
@@ -7431,6 +7544,15 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "raw-cpuid"
+version = "10.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c297679cb867470fa8c9f67dbba74a78d78e3e98d7cf2b08d6d71540f797332"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "rawpointer"
 version = "0.2.1"
@@ -10218,7 +10340,7 @@ version = "3.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
 dependencies = [
- "fastrand",
+ "fastrand 2.3.0",
  "getrandom 0.3.4",
  "once_cell",
  "rustix 1.1.2",
@@ -11074,6 +11196,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "waker-fn"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "317211a0dc0ceedd78fb2ca9a44aed3d7b9b26f81870d485c07122b4350673b7"
+
 [[package]]
 name = "walkdir"
 version = "2.5.0"
@@ -11093,6 +11221,12 @@ dependencies = [
  "try-lock",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.10.2+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
diff --git a/aggregation_mode/Cargo.toml b/aggregation_mode/Cargo.toml
index 2ab51157c9..67bd14f395 100644
--- a/aggregation_mode/Cargo.toml
+++ b/aggregation_mode/Cargo.toml
@@ -16,6 +16,7 @@ aligned-sdk = { path = "../crates/sdk/" }
 db = { path = "./db" }
 sp1-sdk = "5.0.0"
 risc0-zkvm = { version = "3.0.3" }
+prometheus = { version = "0.13.4", features = ["process"] }
 
 [profile.release]
 opt-level = 3
diff --git a/aggregation_mode/gateway/Cargo.toml b/aggregation_mode/gateway/Cargo.toml
index 79ef53351c..9ff8ddb023 100644
--- a/aggregation_mode/gateway/Cargo.toml
+++ b/aggregation_mode/gateway/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2021"
 serde =  { workspace = true }
 serde_json = { workspace = true }
 serde_yaml = { workspace = true }
+prometheus = { workspace = true }
 agg_mode_sdk = { path = "../sdk"}
 aligned-sdk = { workspace = true }
 sp1-sdk = { workspace = true }
@@ -15,6 +16,7 @@ tracing-subscriber = { version = "0.3.0", features = ["env-filter"] }
 bincode = "1.3.3"
 actix-web = "4"
 actix-multipart = "0.7.2"
+actix-web-prometheus = "0.1.0-beta.8"
 alloy = { workspace = true }
 tokio = { version = "1", features = ["time"]}
 # TODO: enable tls
diff --git a/aggregation_mode/gateway/src/config.rs b/aggregation_mode/gateway/src/config.rs
index 8af91a2a97..616ef67a59 100644
--- a/aggregation_mode/gateway/src/config.rs
+++ b/aggregation_mode/gateway/src/config.rs
@@ -9,6 +9,7 @@ pub struct Config {
     pub db_connection_url: String,
     pub network: String,
     pub max_daily_proofs_per_user: i64,
+    pub gateway_metrics_port: u16,
 }
 
 impl Config {
diff --git a/aggregation_mode/gateway/src/http.rs b/aggregation_mode/gateway/src/http.rs
index 2a88116a02..ee4fdff5b0 100644
--- a/aggregation_mode/gateway/src/http.rs
+++ b/aggregation_mode/gateway/src/http.rs
@@ -1,6 +1,7 @@
 use std::{
     str::FromStr,
-    time::{SystemTime, UNIX_EPOCH},
+    sync::Arc,
+    time::{Instant, SystemTime, UNIX_EPOCH},
 };
 
 use actix_multipart::form::MultipartForm;
@@ -8,6 +9,7 @@ use actix_web::{
     web::{self, Data},
     App, HttpRequest, HttpResponse, HttpServer, Responder,
 };
+use actix_web_prometheus::PrometheusMetricsBuilder;
 use agg_mode_sdk::types::Network;
 use aligned_sdk::aggregation_layer::AggregationModeProvingSystem;
 use alloy::signers::Signature;
@@ -23,6 +25,7 @@ use crate::{
     config::Config,
     db::Db,
     helpers::get_time_left_day_formatted,
+    metrics::GatewayMetrics,
     types::{GetReceiptsResponse, SubmitProofRequestRisc0, SubmitProofRequestSP1},
     verifiers::{verify_sp1_proof, VerificationError},
 };
@@ -32,15 +35,25 @@ pub struct GatewayServer {
     db: Db,
     config: Config,
     network: Network,
+    metrics: Arc<GatewayMetrics>,
 }
 
 impl GatewayServer {
     pub fn new(db: Db, config: Config) -> Self {
         let network = Network::from_str(&config.network).expect("A valid network in config file");
+
+        tracing::info!(
+            "Starting metrics server on port {}",
+            config.gateway_metrics_port
+        );
+        let metrics = GatewayMetrics::start(config.gateway_metrics_port)
+            .expect("Failed to start metrics server");
+
         Self {
             db,
             config,
             network,
+            metrics,
         }
     }
 
@@ -49,10 +62,18 @@ impl GatewayServer {
         let port = self.config.port;
         let state = self.clone();
 
+        // Note: This creates a new Prometheus server different from the one created in GatewayServer::new. The created
+        // server exposes metrics related to the actix HTTP server, like response codes and response times
+        let prometheus = PrometheusMetricsBuilder::new("api")
+            .endpoint("/metrics")
+            .build()
+            .unwrap();
+
         tracing::info!("Starting server at port {}", self.config.port);
         HttpServer::new(move || {
             App::new()
                 .app_data(Data::new(state.clone()))
+                .wrap(prometheus.clone())
                 .route("/nonce/{address}", web::get().to(Self::get_nonce))
                 .route("/receipts", web::get().to(Self::get_receipts))
                 .route("/proof/sp1", web::post().to(Self::post_proof_sp1))
@@ -151,7 +172,7 @@ impl GatewayServer {
         if daily_tasks_by_address >= state.config.max_daily_proofs_per_user {
             let formatted_time_left = get_time_left_day_formatted();
 
-            return HttpResponse::InternalServerError().json(AppResponse::new_unsucessfull(
+            return HttpResponse::BadRequest().json(AppResponse::new_unsucessfull(
                 format!(
                     "Request denied: Query limit exceeded. Quotas renew in {formatted_time_left}"
                 )
@@ -221,6 +242,8 @@ impl GatewayServer {
             return HttpResponse::BadRequest().json(AppResponse::new_unsucessfull(message, 400));
         };
 
+        let start = Instant::now();
+
         match state
             .db
             .insert_task(
@@ -233,9 +256,16 @@ impl GatewayServer {
             )
             .await
         {
-            Ok(task_id) => HttpResponse::Ok().json(AppResponse::new_sucessfull(
-                serde_json::json!({ "task_id": task_id.to_string() }),
-            )),
+            Ok(task_id) => {
+                let duration = start.elapsed();
+                state
+                    .metrics
+                    .register_db_response_time_post("sp1-post", duration.as_secs_f64());
+
+                HttpResponse::Ok().json(AppResponse::new_sucessfull(
+                    serde_json::json!({ "task_id": task_id.to_string() }),
+                ))
+            }
             Err(_) => HttpResponse::InternalServerError()
                 .json(AppResponse::new_unsucessfull("Internal server error", 500)),
         }
diff --git a/aggregation_mode/gateway/src/lib.rs b/aggregation_mode/gateway/src/lib.rs
index 84693d8cd6..0df12ac02d 100644
--- a/aggregation_mode/gateway/src/lib.rs
+++ b/aggregation_mode/gateway/src/lib.rs
@@ -2,5 +2,6 @@ pub mod config;
 pub mod db;
 mod helpers;
 pub mod http;
+mod metrics;
 mod types;
 mod verifiers;
diff --git a/aggregation_mode/gateway/src/metrics.rs b/aggregation_mode/gateway/src/metrics.rs
new file mode 100644
index 0000000000..f2621ffc2c
--- /dev/null
+++ b/aggregation_mode/gateway/src/metrics.rs
@@ -0,0 +1,65 @@
+use actix_web::{web, App, HttpResponse, HttpServer, Responder};
+use prometheus::{self, histogram_opts, Encoder, HistogramVec, Registry, TextEncoder};
+use std::sync::Arc;
+
+#[derive(Clone, Debug)]
+pub struct GatewayMetrics {
+    pub registry: Registry,
+    pub time_elapsed_db_query: HistogramVec,
+}
+
+impl GatewayMetrics {
+    pub fn start(metrics_port: u16) -> Result<Arc<Self>, prometheus::Error> {
+        let registry = Registry::new();
+
+        let time_elapsed_db_query = HistogramVec::new(
+            histogram_opts!("time_elapsed_db_query", "Time elapsed in DB posts"),
+            &["query"],
+        )?;
+
+        registry.register(Box::new(time_elapsed_db_query.clone()))?;
+
+        // Arc is used because metrics are a shared resource accessed by both the background and metrics HTTP
+        // server and the application code, across multiple Actix worker threads. The server outlives start(),
+        // so the data must be static and safely shared between threads.
+        let metrics = Arc::new(Self {
+            registry,
+            time_elapsed_db_query,
+        });
+
+        let server_metrics = metrics.clone();
+        tokio::spawn(async move {
+            let _ = HttpServer::new(move || {
+                App::new()
+                    .app_data(web::Data::new(server_metrics.clone()))
+                    .route("/metrics", web::get().to(GatewayMetrics::metrics_handler))
+            })
+            .bind(("0.0.0.0", metrics_port))
+            .expect("failed to bind metrics server")
+            .run()
+            .await;
+        });
+
+        Ok(metrics)
+    }
+
+    async fn metrics_handler(metrics: web::Data<Arc<GatewayMetrics>>) -> impl Responder {
+        let encoder = TextEncoder::new();
+        let metric_families = metrics.registry.gather();
+
+        let mut buffer = Vec::new();
+        if let Err(e) = encoder.encode(&metric_families, &mut buffer) {
+            tracing::error!("could not encode prometheus metrics: {e}");
+        }
+
+        HttpResponse::Ok()
+            .insert_header(("Content-Type", encoder.format_type()))
+            .body(buffer)
+    }
+
+    pub fn register_db_response_time_post(&self, query: &str, value: f64) {
+        self.time_elapsed_db_query
+            .with_label_values(&[query])
+            .observe(value);
+    }
+}
diff --git a/aggregation_mode/payments_poller/Cargo.toml b/aggregation_mode/payments_poller/Cargo.toml
index c145fd02e5..d6273c3247 100644
--- a/aggregation_mode/payments_poller/Cargo.toml
+++ b/aggregation_mode/payments_poller/Cargo.toml
@@ -8,6 +8,7 @@ serde =  { workspace = true }
 serde_json = { workspace = true }
 serde_yaml = { workspace = true }
 aligned-sdk = { workspace = true }
+prometheus = { workspace = true }
 tracing = { version = "0.1", features = ["log"] }
 tracing-subscriber = { version = "0.3.0", features = ["env-filter"] }
 actix-web = "4"
diff --git a/aggregation_mode/payments_poller/src/config.rs b/aggregation_mode/payments_poller/src/config.rs
index 8b51181470..c84362ae8f 100644
--- a/aggregation_mode/payments_poller/src/config.rs
+++ b/aggregation_mode/payments_poller/src/config.rs
@@ -8,6 +8,7 @@ pub struct Config {
     pub eth_rpc_url: String,
     pub payment_service_address: String,
     pub last_block_fetched_filepath: String,
+    pub poller_metrics_port: u16,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
diff --git a/aggregation_mode/payments_poller/src/lib.rs b/aggregation_mode/payments_poller/src/lib.rs
index 84bee5b7ba..654c3e2378 100644
--- a/aggregation_mode/payments_poller/src/lib.rs
+++ b/aggregation_mode/payments_poller/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod config;
 pub mod db;
+pub mod metrics;
 pub mod payments;
 pub mod types;
diff --git a/aggregation_mode/payments_poller/src/metrics.rs b/aggregation_mode/payments_poller/src/metrics.rs
new file mode 100644
index 0000000000..aabdc5e5ae
--- /dev/null
+++ b/aggregation_mode/payments_poller/src/metrics.rs
@@ -0,0 +1,66 @@
+use actix_web::{web, App, HttpResponse, HttpServer, Responder};
+use prometheus::{self, opts, Encoder, Gauge, Registry, TextEncoder};
+use std::sync::Arc;
+
+#[derive(Clone, Debug)]
+pub struct PaymentsPollerMetrics {
+    pub registry: Registry,
+    pub last_processed_block: Gauge,
+}
+
+impl PaymentsPollerMetrics {
+    pub fn start(metrics_port: u16) -> Result<Arc<Self>, prometheus::Error> {
+        let registry = Registry::new();
+
+        let last_processed_block = Gauge::with_opts(opts!(
+            "last_processed_block",
+            "Last processed block by poller"
+        ))?;
+
+        registry.register(Box::new(last_processed_block.clone()))?;
+
+        // Arc is used because metrics are a shared resource accessed by both the background and metrics HTTP
+        // server and the application code, across multiple Actix worker threads. The server outlives start(),
+        // so the data must be static and safely shared between threads.
+        let metrics = Arc::new(Self {
+            registry,
+            last_processed_block,
+        });
+
+        let server_metrics = metrics.clone();
+        tokio::spawn(async move {
+            let _ = HttpServer::new(move || {
+                App::new()
+                    .app_data(web::Data::new(server_metrics.clone()))
+                    .route(
+                        "/metrics",
+                        web::get().to(PaymentsPollerMetrics::metrics_handler),
+                    )
+            })
+            .bind(("0.0.0.0", metrics_port))
+            .expect("failed to bind metrics server")
+            .run()
+            .await;
+        });
+
+        Ok(metrics)
+    }
+
+    async fn metrics_handler(metrics: web::Data<Arc<PaymentsPollerMetrics>>) -> impl Responder {
+        let encoder = TextEncoder::new();
+        let metric_families = metrics.registry.gather();
+
+        let mut buffer = Vec::new();
+        if let Err(e) = encoder.encode(&metric_families, &mut buffer) {
+            tracing::error!("could not encode prometheus metrics: {e}");
+        }
+
+        HttpResponse::Ok()
+            .insert_header(("Content-Type", encoder.format_type()))
+            .body(buffer)
+    }
+
+    pub fn register_last_processed_block(&self, value: u64) {
+        self.last_processed_block.set(value as f64);
+    }
+}
diff --git a/aggregation_mode/payments_poller/src/payments.rs b/aggregation_mode/payments_poller/src/payments.rs
index 78639e6176..005c56e7dd 100644
--- a/aggregation_mode/payments_poller/src/payments.rs
+++ b/aggregation_mode/payments_poller/src/payments.rs
@@ -1,8 +1,9 @@
-use std::str::FromStr;
+use std::{str::FromStr, sync::Arc};
 
 use crate::{
     config::Config,
     db::Db,
+    metrics::PaymentsPollerMetrics,
     types::{AggregationModePaymentService, AggregationModePaymentServiceContract, RpcProvider},
 };
 use alloy::{
@@ -21,6 +22,7 @@ pub struct PaymentsPoller {
     proof_aggregation_service: AggregationModePaymentServiceContract,
     rpc_provider: RpcProvider,
     config: Config,
+    metrics: Arc<PaymentsPollerMetrics>,
 }
 
 impl PaymentsPoller {
@@ -38,11 +40,19 @@ impl PaymentsPoller {
             .get_last_block_fetched()
             .map_err(|err| PaymentsPollerError::ReadLastBlockError(err.to_string()));
 
+        tracing::info!(
+            "Starting metrics server on port {}",
+            config.poller_metrics_port
+        );
+        let metrics = PaymentsPollerMetrics::start(config.poller_metrics_port)
+            .expect("Failed to start metrics server");
+
         Ok(Self {
             db,
             proof_aggregation_service,
             rpc_provider,
             config,
+            metrics,
         })
     }
 
@@ -121,6 +131,8 @@ impl PaymentsPoller {
                 continue;
             };
 
+            self.metrics.register_last_processed_block(current_block);
+
             tokio::time::sleep(std::time::Duration::from_secs(
                 seconds_to_wait_between_polls,
             ))
diff --git a/config-files/config-agg-mode-gateway-ethereum-package.yaml b/config-files/config-agg-mode-gateway-ethereum-package.yaml
index a0a58b8758..045e1de830 100644
--- a/config-files/config-agg-mode-gateway-ethereum-package.yaml
+++ b/config-files/config-agg-mode-gateway-ethereum-package.yaml
@@ -6,3 +6,7 @@ payment_service_address: "0x922D6956C99E12DFeB3224DEA977D0939758A1Fe"
 network: "devnet"
 max_daily_proofs_per_user: 32
 last_block_fetched_filepath: "config-files/proof-aggregator.last_block_fetched.json"
+
+# Metrics
+gateway_metrics_port: 9094
+poller_metrics_port: 9095
diff --git a/config-files/config-agg-mode-gateway.yaml b/config-files/config-agg-mode-gateway.yaml
index cab03d9793..014c6cc278 100644
--- a/config-files/config-agg-mode-gateway.yaml
+++ b/config-files/config-agg-mode-gateway.yaml
@@ -4,5 +4,9 @@ db_connection_url: "postgres://postgres:postgres@localhost:5435/"
 eth_rpc_url: "http://localhost:8545"
 payment_service_address: "0x922D6956C99E12DFeB3224DEA977D0939758A1Fe"
 network: "devnet"
-max_daily_proofs_per_user: 4
+max_daily_proofs_per_user: 100
 last_block_fetched_filepath: "config-files/proof-aggregator.last_block_fetched.json"
+
+# Metrics
+gateway_metrics_port: 9094
+poller_metrics_port: 9095
diff --git a/grafana/provisioning/dashboards/aligned/aggregation_mode_gateway.json b/grafana/provisioning/dashboards/aligned/aggregation_mode_gateway.json
new file mode 100644
index 0000000000..951d2179b9
--- /dev/null
+++ b/grafana/provisioning/dashboards/aligned/aggregation_mode_gateway.json
@@ -0,0 +1,607 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "grafana",
+          "uid": "-- Grafana --"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": 8,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 8,
+        "x": 0,
+        "y": 0
+      },
+      "id": 3,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "prometheus"
+          },
+          "editorMode": "code",
+          "expr": "sum(\n  rate(api_response_code{statuscode=~\"4..\"}[5m])\n)",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "User error response count",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 8,
+        "x": 8,
+        "y": 0
+      },
+      "id": 2,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "prometheus"
+          },
+          "editorMode": "code",
+          "expr": "sum(\n  rate(api_response_code{statuscode=~\"5..\"}[100m])\n)",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Server Error response count",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 8,
+        "x": 16,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "prometheus"
+          },
+          "editorMode": "code",
+          "expr": "sum(\n  rate(api_response_code{statuscode=~\"2..\",endpoint!=\"/metrics\"}[$__range])\n)",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Success response count",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 8
+      },
+      "id": 4,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "prometheus"
+          },
+          "editorMode": "code",
+          "expr": "histogram_quantile(0.50, sum by (le) (rate(time_elapsed_db_query_bucket{query=\"sp1-post\"}[$__rate_interval])))",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "DB posts latency (p50)",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 8
+      },
+      "id": 6,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "prometheus"
+          },
+          "editorMode": "code",
+          "expr": "last_processed_block{}",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Payments Poller Last Processed Block",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 16
+      },
+      "id": 5,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "prometheus"
+          },
+          "editorMode": "code",
+          "expr": "sum(rate(time_elapsed_db_query_count[$__rate_interval]))",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "DB posts throughput",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "",
+  "schemaVersion": 38,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-5m",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "Aggregation Mode",
+  "uid": "a66a5480-6a60-4b87-9d29-4f0f446edafd",
+  "version": 1,
+  "weekStart": ""
+}
diff --git a/prometheus/prometheus.yaml b/prometheus/prometheus.yaml
index 7b84e52e39..3de7b120f9 100644
--- a/prometheus/prometheus.yaml
+++ b/prometheus/prometheus.yaml
@@ -37,3 +37,24 @@ scrape_configs:
       - targets: ["host.docker.internal:9100"]
         labels:
           bot: "node-exporter"
+
+  - job_name: "gateway-api"
+    scrape_interval: 60s
+    static_configs:
+      - targets: ["host.docker.internal:8089"]
+        labels:
+          bot: "gateway-exporter"
+
+  - job_name: "aggregation-mode-gateway"
+    scrape_interval: 1s
+    static_configs:
+      - targets: ["host.docker.internal:9094"]
+        labels:
+          bot: "aggregation-gateway"
+
+  - job_name: "aggregation-mode-payments-poller"
+    scrape_interval: 1s
+    static_configs:
+      - targets: ["host.docker.internal:9095"]
+        labels:
+          bot: "aggregation-poller"