{ "info": { "_postman_id": "80e5614a-077f-4bd7-99cd-eb7d173ecb0f", "name": "ThingSpeak TalkBack API", "description": "Asynchronous command queue for cloud-to-device communication. Devices poll for the next command and execute it; commands are added/updated/deleted via REST.\n\nContact Support:\n Name: MathWorks", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-06-05T15:19:15.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "lastUpdatedBy": "35240", "uid": "35240-80e5614a-077f-4bd7-99cd-eb7d173ecb0f" }, "item": [ { "name": "talkbacks", "item": [ { "name": "{talkback_id}", "item": [ { "name": "commands.json", "item": [ { "name": "List Commands", "id": "27b092df-2a37-42c3-bf10-a77f0aa6cf3a", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "id": "e2adcd1d-8a42-4e79-95e2-6be4125862f2", "key": "talkback_id", "value": "", "description": "(Required) " } ] } }, "response": [ { "id": "9a36921c-a86d-4bc8-9e1a-b84f72b4ad98", "name": "All commands in the queue (including executed ones).", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "key": "talkback_id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "[\n {\n \"id\": \"\",\n \"command_string\": \"\",\n \"position\": \"\",\n \"executed_at\": \"\",\n \"created_at\": \"\"\n },\n {\n \"id\": \"\",\n \"command_string\": \"\",\n \"position\": \"\",\n \"executed_at\": \"\",\n \"created_at\": \"\"\n }\n]", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-9a36921c-a86d-4bc8-9e1a-b84f72b4ad98" } ], "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-27b092df-2a37-42c3-bf10-a77f0aa6cf3a" }, { "name": "Add Command", "id": "5c8502bf-2cf2-47f3-b264-cb7146f295e5", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"command_string\": \"\",\n \"api_key\": \"\",\n \"position\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands.json", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands.json" ], "variable": [ { "id": "63af48dc-fb14-4bf6-988f-f0c51998e702", "key": "talkback_id", "value": "", "description": "(Required) " } ] } }, "response": [ { "id": "6db10f80-1ae1-4896-baf0-10d64156b40d", "name": "Command added to the queue.", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"command_string\": \"\",\n \"api_key\": \"\",\n \"position\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands.json" ], "query": [ { "description": "Added as a part of security scheme: apikey", "key": "api_key", "value": "" } ], "variable": [ { "key": "talkback_id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"id\": \"\",\n \"command_string\": \"\",\n \"position\": \"\",\n \"executed_at\": \"\",\n \"created_at\": \"\"\n}", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-6db10f80-1ae1-4896-baf0-10d64156b40d" } ], "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-5c8502bf-2cf2-47f3-b264-cb7146f295e5" } ], "id": "3b1289a1-9ab0-4f76-9df9-79828678d539", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-3b1289a1-9ab0-4f76-9df9-79828678d539" }, { "name": "commands", "item": [ { "name": "execute.json", "item": [ { "name": "Execute Next Command", "id": "c7c2701e-71d6-436a-a90b-4a96dbd768de", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/execute.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "execute.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "id": "a698402a-10f1-4c66-b4d2-ddb1817ea140", "key": "talkback_id", "value": "", "description": "(Required) " } ] }, "description": "Devices call this endpoint to atomically receive and dequeue the next pending command." }, "response": [ { "id": "18f24b52-57cf-415e-b095-e1a456e73908", "name": "The next command (or empty if queue is empty).", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/execute.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "execute.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "key": "talkback_id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"id\": \"\",\n \"command_string\": \"\",\n \"position\": \"\",\n \"executed_at\": \"\",\n \"created_at\": \"\"\n}", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-18f24b52-57cf-415e-b095-e1a456e73908" } ], "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-c7c2701e-71d6-436a-a90b-4a96dbd768de" } ], "id": "f973e046-14e2-4c43-aec0-2e6562dca946", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-f973e046-14e2-4c43-aec0-2e6562dca946" }, { "name": "{command_id}.json", "item": [ { "name": "Read Command", "id": "532ad01c-aaa7-47b7-8587-8a76557ce53a", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/{{command_id}}.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "{{command_id}}.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "id": "7dc9a539-9085-4355-9593-bab15c576bca", "key": "talkback_id", "value": "", "description": "(Required) " } ] } }, "response": [ { "id": "dcae91a3-8cf9-46df-ab4c-5c747e9c44bc", "name": "A specific command in the queue.", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/{{command_id}}.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "{{command_id}}.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "key": "talkback_id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"id\": \"\",\n \"command_string\": \"\",\n \"position\": \"\",\n \"executed_at\": \"\",\n \"created_at\": \"\"\n}", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-dcae91a3-8cf9-46df-ab4c-5c747e9c44bc" } ], "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-532ad01c-aaa7-47b7-8587-8a76557ce53a" }, { "name": "Update Command", "id": "dda2d3d6-08d2-47ef-91a2-8536e72336c9", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "PUT", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"command_string\": \"\",\n \"api_key\": \"\",\n \"position\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/{{command_id}}.json", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "{{command_id}}.json" ], "variable": [ { "id": "57af59bc-f2e9-45c3-b3d6-f6a09b532420", "key": "talkback_id", "value": "", "description": "(Required) " } ] } }, "response": [ { "id": "75636497-a228-45a7-89b4-6ceb3cf71ab8", "name": "Command updated.", "originalRequest": { "method": "PUT", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"command_string\": \"\",\n \"api_key\": \"\",\n \"position\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/{{command_id}}.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "{{command_id}}.json" ], "query": [ { "description": "Added as a part of security scheme: apikey", "key": "api_key", "value": "" } ], "variable": [ { "key": "talkback_id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"id\": \"\",\n \"command_string\": \"\",\n \"position\": \"\",\n \"executed_at\": \"\",\n \"created_at\": \"\"\n}", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-75636497-a228-45a7-89b4-6ceb3cf71ab8" } ], "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-dda2d3d6-08d2-47ef-91a2-8536e72336c9" }, { "name": "Delete Command", "id": "a56335d3-22df-4a91-9d1a-abaa74e9fe50", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "DELETE", "header": [], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/{{command_id}}.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "{{command_id}}.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "id": "d1b10f83-f87a-47a5-88f5-332b5ec804ad", "key": "talkback_id", "value": "", "description": "(Required) " } ] } }, "response": [ { "id": "659a3508-c37d-4560-a840-6c576d64b042", "name": "Command deleted.", "originalRequest": { "method": "DELETE", "header": [], "url": { "raw": "{{baseUrl}}/talkbacks/:talkback_id/commands/{{command_id}}.json?api_key=", "host": [ "{{baseUrl}}" ], "path": [ "talkbacks", ":talkback_id", "commands", "{{command_id}}.json" ], "query": [ { "description": "(Required) ", "key": "api_key", "value": "" } ], "variable": [ { "key": "talkback_id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-659a3508-c37d-4560-a840-6c576d64b042" } ], "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-a56335d3-22df-4a91-9d1a-abaa74e9fe50" } ], "id": "ff70b89b-8143-4e8c-80c8-52ebe1860b61", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-ff70b89b-8143-4e8c-80c8-52ebe1860b61" } ], "id": "1dabd744-92c8-415a-a7d3-4fa2f0950a3b", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-1dabd744-92c8-415a-a7d3-4fa2f0950a3b" } ], "id": "a588fea5-21f4-440b-a712-c1f11cd8a946", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-a588fea5-21f4-440b-a712-c1f11cd8a946" } ], "id": "7bcc66a2-1a60-4612-998b-76f8ce55f27d", "createdAt": "2026-06-05T15:19:16.000Z", "updatedAt": "2026-06-05T15:19:16.000Z", "uid": "35240-7bcc66a2-1a60-4612-998b-76f8ce55f27d" } ], "auth": { "type": "apikey", "apikey": [ { "key": "key", "value": "api_key", "type": "string" }, { "key": "value", "value": "{{apiKey}}", "type": "string" }, { "key": "in", "value": "query", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://api.thingspeak.com" }, { "key": "command_id", "value": "" } ] }