diff --git a/.changeset/silent-eels-agree.md b/.changeset/silent-eels-agree.md
new file mode 100644
index 0000000000..2134b8ee55
--- /dev/null
+++ b/.changeset/silent-eels-agree.md
@@ -0,0 +1,5 @@
+---
+'@chainlink/gmci-adapter': major
+---
+
+Wintermute EA
diff --git a/packages/sources/gmci/src/config/index.ts b/packages/sources/gmci/src/config/index.ts
index 2c292ba6ad..f001ec4c96 100644
--- a/packages/sources/gmci/src/config/index.ts
+++ b/packages/sources/gmci/src/config/index.ts
@@ -1,15 +1,28 @@
 import { AdapterConfig } from '@chainlink/external-adapter-framework/config'
 
 export const config = new AdapterConfig({
-  API_KEY: {
+  GMCI_API_KEY: {
     description: 'An API key for Data Provider',
     type: 'string',
     required: true,
     sensitive: true,
   },
-  WS_API_ENDPOINT: {
+  GMCI_WS_API_ENDPOINT: {
     description: 'WS endpoint for GMCI Data Provider',
     type: 'string',
+    required: false,
+    default: 'wss://api.gmci.co/private',
+  },
+  WINTERMUTE_API_KEY: {
+    description: 'An API key for Data Provider',
+    type: 'string',
     required: true,
+    sensitive: true,
+  },
+  WINTERMUTE_WS_API_ENDPOINT: {
+    description: 'WS endpoint for GMCI Data Provider',
+    type: 'string',
+    required: false,
+    default: 'wss://generic-alb-ty.api.wintermute-rfq.xyz:15494/private',
   },
 })
diff --git a/packages/sources/gmci/src/endpoint/gmci.ts b/packages/sources/gmci/src/endpoint/gmci.ts
new file mode 100644
index 0000000000..0071709556
--- /dev/null
+++ b/packages/sources/gmci/src/endpoint/gmci.ts
@@ -0,0 +1,10 @@
+import { AdapterEndpoint } from '@chainlink/external-adapter-framework/adapter'
+import { gmciTransport } from '../transport/gmci'
+import { inputParameters } from './shared'
+
+export const endpoint = new AdapterEndpoint({
+  name: 'gmci',
+  aliases: [],
+  transport: gmciTransport,
+  inputParameters,
+})
diff --git a/packages/sources/gmci/src/endpoint/index.ts b/packages/sources/gmci/src/endpoint/index.ts
index 11a44912b4..37216f49bd 100644
--- a/packages/sources/gmci/src/endpoint/index.ts
+++ b/packages/sources/gmci/src/endpoint/index.ts
@@ -1 +1,2 @@
-export { endpoint as price } from './price'
+export { endpoint as gmci } from './gmci'
+export { endpoint as wintermute } from './wintermute'
diff --git a/packages/sources/gmci/src/endpoint/price.ts b/packages/sources/gmci/src/endpoint/shared.ts
similarity index 69%
rename from packages/sources/gmci/src/endpoint/price.ts
rename to packages/sources/gmci/src/endpoint/shared.ts
index 4c61d4cdaa..38d1d6e565 100644
--- a/packages/sources/gmci/src/endpoint/price.ts
+++ b/packages/sources/gmci/src/endpoint/shared.ts
@@ -1,7 +1,5 @@
-import { AdapterEndpoint } from '@chainlink/external-adapter-framework/adapter'
 import { InputParameters } from '@chainlink/external-adapter-framework/validation'
 import { config } from '../config'
-import { transport } from '../transport/price'
 
 export const inputParameters = new InputParameters(
   {
@@ -31,10 +29,3 @@ export type BaseEndpointTypes = {
   Response: GMCIResultResponse
   Settings: typeof config.settings
 }
-
-export const endpoint = new AdapterEndpoint({
-  name: 'price',
-  aliases: [],
-  transport: transport,
-  inputParameters,
-})
diff --git a/packages/sources/gmci/src/endpoint/wintermute.ts b/packages/sources/gmci/src/endpoint/wintermute.ts
new file mode 100644
index 0000000000..669e45c90e
--- /dev/null
+++ b/packages/sources/gmci/src/endpoint/wintermute.ts
@@ -0,0 +1,10 @@
+import { AdapterEndpoint } from '@chainlink/external-adapter-framework/adapter'
+import { wintermuteTransport } from '../transport/wintermute'
+import { inputParameters } from './shared'
+
+export const endpoint = new AdapterEndpoint({
+  name: 'wintermute',
+  aliases: [],
+  transport: wintermuteTransport,
+  inputParameters,
+})
diff --git a/packages/sources/gmci/src/index.ts b/packages/sources/gmci/src/index.ts
index 909b82c265..008bda1163 100644
--- a/packages/sources/gmci/src/index.ts
+++ b/packages/sources/gmci/src/index.ts
@@ -1,13 +1,13 @@
 import { expose, ServerInstance } from '@chainlink/external-adapter-framework'
 import { Adapter } from '@chainlink/external-adapter-framework/adapter'
 import { config } from './config'
-import { price } from './endpoint'
+import { gmci, wintermute } from './endpoint'
 
 export const adapter = new Adapter({
-  defaultEndpoint: price.name,
+  defaultEndpoint: gmci.name,
   name: 'GMCI',
   config,
-  endpoints: [price],
+  endpoints: [gmci, wintermute],
 })
 
 export const server = (): Promise<ServerInstance | undefined> => expose(adapter)
diff --git a/packages/sources/gmci/src/transport/gmci.ts b/packages/sources/gmci/src/transport/gmci.ts
new file mode 100644
index 0000000000..75f7e3709c
--- /dev/null
+++ b/packages/sources/gmci/src/transport/gmci.ts
@@ -0,0 +1,18 @@
+import { EndpointContext } from '@chainlink/external-adapter-framework/adapter'
+import {
+  WebSocketTransport,
+  WebSocketTransportConfig,
+} from '@chainlink/external-adapter-framework/transports'
+import { baseOptions, WsTransportTypes } from './shared'
+
+export const options: WebSocketTransportConfig<WsTransportTypes> = {
+  ...baseOptions,
+  url: (context: EndpointContext<WsTransportTypes>) => context.adapterSettings.GMCI_WS_API_ENDPOINT,
+  options: async (context: EndpointContext<WsTransportTypes>) => ({
+    headers: {
+      'X-GMCI-API-KEY': context.adapterSettings.GMCI_API_KEY,
+    },
+  }),
+}
+
+export const gmciTransport = new WebSocketTransport(options)
diff --git a/packages/sources/gmci/src/transport/price.ts b/packages/sources/gmci/src/transport/shared.ts
similarity index 70%
rename from packages/sources/gmci/src/transport/price.ts
rename to packages/sources/gmci/src/transport/shared.ts
index 8e5d3642b4..e92be0b146 100644
--- a/packages/sources/gmci/src/transport/price.ts
+++ b/packages/sources/gmci/src/transport/shared.ts
@@ -1,10 +1,7 @@
-import { EndpointContext } from '@chainlink/external-adapter-framework/adapter'
-import {
-  WebSocketTransport,
-  WebSocketTransportConfig,
-} from '@chainlink/external-adapter-framework/transports'
+// import { WebSocketTransportConfig } from '@chainlink/external-adapter-framework/transports'
 import { makeLogger } from '@chainlink/external-adapter-framework/util'
-import { BaseEndpointTypes } from '../endpoint/price'
+import { TypeFromDefinition } from '@chainlink/external-adapter-framework/validation/input-params'
+import { BaseEndpointTypes } from '../endpoint/shared'
 import { convertTimetoUnixMs } from './util'
 
 export interface PriceMessage {
@@ -42,14 +39,7 @@ export type WsTransportTypes = BaseEndpointTypes & {
 
 const logger = makeLogger('GmciTransport')
 
-export const options: WebSocketTransportConfig<WsTransportTypes> = {
-  url: (context: EndpointContext<WsTransportTypes>) => context.adapterSettings.WS_API_ENDPOINT,
-  options: async (context: EndpointContext<WsTransportTypes>) => ({
-    headers: {
-      'X-GMCI-API-KEY': context.adapterSettings.API_KEY,
-    },
-  }),
-
+export const baseOptions = {
   handlers: {
     message(message: WsResponse) {
       if (message.success === false) {
@@ -81,14 +71,14 @@ export const options: WebSocketTransportConfig<WsTransportTypes> = {
   },
 
   builders: {
-    subscribeMessage: (params) => {
+    subscribeMessage: (params: TypeFromDefinition<BaseEndpointTypes['Parameters']>) => {
       return {
         op: 'subscribe',
         args: [`price.${params.symbol}`.toLowerCase()],
       }
     },
 
-    unsubscribeMessage: (params) => {
+    unsubscribeMessage: (params: TypeFromDefinition<BaseEndpointTypes['Parameters']>) => {
       return {
         op: 'unsubscribe',
         args: [`price.${params.symbol}`.toLowerCase()],
@@ -96,5 +86,3 @@ export const options: WebSocketTransportConfig<WsTransportTypes> = {
     },
   },
 }
-
-export const transport = new WebSocketTransport(options)
diff --git a/packages/sources/gmci/src/transport/wintermute.ts b/packages/sources/gmci/src/transport/wintermute.ts
new file mode 100644
index 0000000000..ee1a1f0826
--- /dev/null
+++ b/packages/sources/gmci/src/transport/wintermute.ts
@@ -0,0 +1,19 @@
+import { EndpointContext } from '@chainlink/external-adapter-framework/adapter'
+import {
+  WebSocketTransport,
+  WebSocketTransportConfig,
+} from '@chainlink/external-adapter-framework/transports'
+import { baseOptions, WsTransportTypes } from './shared'
+
+export const options: WebSocketTransportConfig<WsTransportTypes> = {
+  ...baseOptions,
+  url: (context: EndpointContext<WsTransportTypes>) =>
+    context.adapterSettings.WINTERMUTE_WS_API_ENDPOINT,
+  options: async (context: EndpointContext<WsTransportTypes>) => ({
+    headers: {
+      'X-GMCI-API-KEY': context.adapterSettings.WINTERMUTE_API_KEY,
+    },
+  }),
+}
+
+export const wintermuteTransport = new WebSocketTransport(options)