diff --git a/services/graphql/src/env.js b/services/graphql/src/env.js
index 358c7e91..7801aaf9 100644
--- a/services/graphql/src/env.js
+++ b/services/graphql/src/env.js
@@ -10,6 +10,7 @@ const {
 const { nonemptystr } = validators;
 
 module.exports = cleanEnv(process.env, {
+  DISABLED_MINDFUL_TENANT_KEYS: str({ desc: 'Mindful tenant keys to disable the API for.', default: '' }),
   ENGINE_API_KEY: nonemptystr({ desc: 'The Apollo Engine API key', devDefault: '(unset)' }),
   EXTERNAL_PORT: port({ desc: 'The external port that the service is exposed on.', default: 80 }),
   INTERNAL_PORT: port({ desc: 'The internal port that the service will run on.', default: 80 }),
diff --git a/services/graphql/src/graphql/context/application.js b/services/graphql/src/graphql/context/application.js
index a6c4e528..bed7536d 100644
--- a/services/graphql/src/graphql/context/application.js
+++ b/services/graphql/src/graphql/context/application.js
@@ -1,10 +1,67 @@
 const { UserInputError } = require('apollo-server-express');
 const { get } = require('object-path');
 const { applicationService, organizationService } = require('@identity-x/service-clients');
+const { DISABLED_MINDFUL_TENANT_KEYS } = require('../../env');
+
+const disabledMinfulKeys = new Set((DISABLED_MINDFUL_TENANT_KEYS || '').split(',').map(v => v.trim()).filter(v => v));
+
+const appIdsToMindfulKeys = new Map([
+  ['6154db20fa82c60da670be4b', 'abmedia'],
+  ['6154db3afa82c6420870be4c', 'abmedia'],
+  ['6154db4dfa82c643bb70be4d', 'abmedia'],
+  ['607749ac1d04bcbdb37a3227', 'allured'],
+  ['60774a653dac592b7d3ae11e', 'allured'],
+  ['60774a9b3dac592ac33ae11f', 'allured'],
+  ['60774ac41d04bc3a057a3228', 'allured'],
+  ['60774dbe3dac5936323ae121', 'allured'],
+  ['60774de13dac5942693ae122', 'allured'],
+  ['60774e0b1d04bc6fb77a322b', 'allured'],
+  ['60774e251d04bc6f977a322c', 'allured'],
+  ['646e415a14b089797ec24971', 'ascend'],
+  ['66183c5e0635be32a6f07115', 'datia'],
+  ['60b7b2bd1245f46d03e69e1d', 'cma'],
+  ['66c4cfd71a5e8dd2b0608e5f', 'encore360'],
+  ['5f77a17b8eebee8cabee53fb', 'fusable'],
+  ['5f77a19d8eebee8244ee53fc', 'fusable'],
+  ['5f77a1ac0f883d18cbe63efe', 'fusable'],
+  ['5f77a1b98eebeee1c3ee53fd', 'fusable'],
+  ['5f77a1c80f883d979ae63eff', 'fusable'],
+  ['5f77a1e10f883d280fe63f00', 'randall-reilly'],
+  ['650465135269f6714f6bcdf9', 'fusable'],
+  ['5e28a3dd58e67b229e55ae43', 'im'],
+  ['5e28a2c558e67b89b255ae3a', 'ironmarkets'],
+  ['5e28a2d858e67b162e55ae3b', 'ironmarkets'],
+  ['5e28a2eb58e67b3a7055ae3c', 'ironmarkets'],
+  ['5e28a32058e67b0e9455ae3e', 'ironmarkets'],
+  ['5e28a33658e67bda3655ae3f', 'ironmarkets'],
+  ['661564bda370d83993649ffc', 'ironmarkets'],
+  ['690fd02e6963a68295965461', 'lbm'],
+  ['6744d45348f49e8a80e55173', 'media-matters'],
+  ['68e7f34176a59f1e5f5d3ac4', 'media-matters'],
+  ['67a1292d4c22af7f616ba743', 'parameter1'],
+  ['5e28a49458e67b68f255ae49', 'pmmi'],
+  ['5e28a4a058e67b7fad55ae4a', 'pmmi'],
+  ['5e28a4ad58e67b166155ae4b', 'pmmi'],
+  ['5e28a4ba58e67b867055ae4c', 'pmmi'],
+  ['5e28a4c858e67b86c955ae4d', 'pmmi'],
+  ['649063f19a64332c8ec42eed', 'pmmi'],
+  ['6499da19f70f36fef3aa008c', 'pmmi'],
+  ['6176f26a1fa8d14997cc99f5', 'rmm'],
+  ['629bac8439347cfce3861789', 'smg'],
+  ['62a20ab439347c3abb862984', 'smg'],
+  ['62a20ac739347c1810862985', 'smg'],
+  ['66930ad34881292c648fc335', 'transpire'],
+  ['6449537d36197792dcb5e367', 'watt'],
+]);
 
 class AppContext {
   constructor(id) {
     this.id = id;
+    const key = appIdsToMindfulKeys.get(id);
+    if (key && disabledMinfulKeys.has(key)) {
+      throw new Error(`The IdentityX application ID "${id}" is disabled and must migrated to use the new Mindful API. Please contact support for more information.`);
+    }
+
     this.app = {};
     this.org = {};
   }