{ "info": { "_postman_id": "47eaeddf-d65a-4f5c-8d59-c24fa58bcdff", "name": "Langdock Agent Messages API", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T02:02:40.000Z", "updatedAt": "2026-07-28T02:02:41.000Z", "lastUpdatedBy": "35240", "uid": "35240-47eaeddf-d65a-4f5c-8d59-c24fa58bcdff" }, "item": [ { "name": "anthropic", "item": [ { "name": "{region}", "item": [ { "name": "v1", "item": [ { "name": "messages", "item": [ { "name": "Create a Message", "id": "cfde50b6-aacd-44bb-9218-2e418e45428e", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"model\": \"\",\n \"messages\": [\n {\n \"role\": \"agent\",\n \"content\": \"\"\n },\n {\n \"role\": \"agent\",\n \"content\": \"\"\n }\n ],\n \"max_tokens\": \"\",\n \"stop_sequences\": [\n \"\",\n \"\"\n ],\n \"stream\": \"\",\n \"system\": \"\",\n \"temperature\": \"\",\n \"tool_choice\": {\n \"type\": \"auto\"\n },\n \"tools\": [\n {\n \"name\": \"GHzhYQ3BLogokMNLJfUhkFgT7\",\n \"input_schema\": {\n \"type\": \"object\",\n \"properties\": {}\n },\n \"description\": \"\"\n },\n {\n \"name\": \"569NHkx3Oaoq4VAVDXs9n_iSEBjw0Bp4wPLS3D5VY48\",\n \"input_schema\": {\n \"type\": \"object\",\n \"properties\": {}\n },\n \"description\": \"\"\n }\n ],\n \"top_k\": \"\",\n \"top_p\": \"\",\n \"thinking\": {\n \"type\": \"enabled\",\n \"budget_tokens\": \"\"\n }\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/anthropic/:region/v1/messages", "host": [ "{{baseUrl}}" ], "path": [ "anthropic", ":region", "v1", "messages" ], "variable": [ { "id": "29048139-55b4-4ccf-a7fe-56919f683190", "key": "region", "value": "eu", "description": "(Required) The region of the API to use." } ] }, "description": "Create a Message.\n\nSend a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation.\n\nThe Messages API can be used for either single queries or stateless multi-turn conversations." }, "response": [ { "id": "b8fddac8-e2bf-4f9b-86a9-5374ac8ea368", "name": "Message object.", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "raw", "raw": "{\n \"model\": \"\",\n \"messages\": [\n {\n \"role\": \"agent\",\n \"content\": \"\"\n },\n {\n \"role\": \"agent\",\n \"content\": \"\"\n }\n ],\n \"max_tokens\": \"\",\n \"stop_sequences\": [\n \"\",\n \"\"\n ],\n \"stream\": \"\",\n \"system\": \"\",\n \"temperature\": \"\",\n \"tool_choice\": {\n \"type\": \"auto\"\n },\n \"tools\": [\n {\n \"name\": \"GHzhYQ3BLogokMNLJfUhkFgT7\",\n \"input_schema\": {\n \"type\": \"object\",\n \"properties\": {}\n },\n \"description\": \"\"\n },\n {\n \"name\": \"569NHkx3Oaoq4VAVDXs9n_iSEBjw0Bp4wPLS3D5VY48\",\n \"input_schema\": {\n \"type\": \"object\",\n \"properties\": {}\n },\n \"description\": \"\"\n }\n ],\n \"top_k\": \"\",\n \"top_p\": \"\",\n \"thinking\": {\n \"type\": \"enabled\",\n \"budget_tokens\": \"\"\n }\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/anthropic/:region/v1/messages", "host": [ "{{baseUrl}}" ], "path": [ "anthropic", ":region", "v1", "messages" ], "variable": [ { "key": "region" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"id\": \"\",\n \"type\": \"message\",\n \"role\": \"assistant\",\n \"content\": [\n {\n \"type\": \"text\",\n \"text\": \"\"\n },\n {\n \"type\": \"text\",\n \"text\": \"\"\n }\n ],\n \"model\": \"\",\n \"stop_reason\": \"stop_sequence\",\n \"stop_sequence\": \"\",\n \"usage\": {\n \"input_tokens\": \"\",\n \"output_tokens\": \"\"\n }\n}", "createdAt": "2026-07-28T02:02:41.000Z", "updatedAt": "2026-07-28T02:02:41.000Z", "uid": "35240-b8fddac8-e2bf-4f9b-86a9-5374ac8ea368" }, { "id": "d71d2717-d19f-4ee2-9498-b98e842fdefe", "name": "Error response.\n\nSee Anthropic's [errors documentation](https://platform.claude.com/docs/en/api/errors) for more details.", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "raw", "raw": "{\n \"model\": \"\",\n \"messages\": [\n {\n \"role\": \"agent\",\n \"content\": \"\"\n },\n {\n \"role\": \"agent\",\n \"content\": \"\"\n }\n ],\n \"max_tokens\": \"\",\n \"stop_sequences\": [\n \"\",\n \"\"\n ],\n \"stream\": \"\",\n \"system\": \"\",\n \"temperature\": \"\",\n \"tool_choice\": {\n \"type\": \"auto\"\n },\n \"tools\": [\n {\n \"name\": \"GHzhYQ3BLogokMNLJfUhkFgT7\",\n \"input_schema\": {\n \"type\": \"object\",\n \"properties\": {}\n },\n \"description\": \"\"\n },\n {\n \"name\": \"569NHkx3Oaoq4VAVDXs9n_iSEBjw0Bp4wPLS3D5VY48\",\n \"input_schema\": {\n \"type\": \"object\",\n \"properties\": {}\n },\n \"description\": \"\"\n }\n ],\n \"top_k\": \"\",\n \"top_p\": \"\",\n \"thinking\": {\n \"type\": \"enabled\",\n \"budget_tokens\": \"\"\n }\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/anthropic/:region/v1/messages", "host": [ "{{baseUrl}}" ], "path": [ "anthropic", ":region", "v1", "messages" ], "variable": [ { "key": "region" } ] } }, "status": "Bad Request", "code": 400, 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"2026-07-28T02:02:41.000Z", "updatedAt": "2026-07-28T02:02:41.000Z", "uid": "35240-8d5f3999-a131-433a-a01e-a67581f36672" } ], "id": "1c2bd7fc-147b-4e3c-a319-0b3f7d2416c7", "createdAt": "2026-07-28T02:02:41.000Z", "updatedAt": "2026-07-28T02:02:41.000Z", "uid": "35240-1c2bd7fc-147b-4e3c-a319-0b3f7d2416c7" } ], "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://api.langdock.com" } ] }