{ "info": { "_postman_id": "7fca9b9f-e47f-41ee-a2da-60d6804a4fd6", "name": "FlexAI Token Factory Audio API", "description": "OpenAI-compatible inference API for FlexAI Token Factory. A single API key provides access to open models across text, code, reasoning, vision, embedding, image, video, and audio modalities, priced by usage per model. The API is a drop-in replacement for the OpenAI API: point the OpenAI SDK (or any OpenAI-compatible client) at the FlexAI base URL and supply a FlexAI API key. This specification captures the endpoints FlexAI documents as supported; some OpenAI endpoints (assistants, threads, runs, files, fine-tuning, batches) are explicitly not served by this endpoint.\n\nContact Support:\n Name: FlexAI", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T01:40:06.000Z", "updatedAt": "2026-07-28T01:40:06.000Z", "lastUpdatedBy": "35240", "uid": "35240-7fca9b9f-e47f-41ee-a2da-60d6804a4fd6" }, "item": [ { "name": "audio", "item": [ { "name": "transcriptions", "item": [ { "name": "Transcribe audio to text (speech-to-text)", "id": "40f595dd-285a-42a5-85e4-d27fd830c39a", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "POST", "header": [ { "key": "Content-Type", "value": "multipart/form-data" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "formdata", "formdata": [ { "description": "(Required) ", "key": "model", "value": "", "type": "text" }, { "description": "(Required) ", "key": "file", "type": "file", "value": null } ] }, "url": { "raw": "{{baseUrl}}/audio/transcriptions", "host": [ "{{baseUrl}}" ], "path": [ "audio", "transcriptions" ] }, "description": "Transcribe audio using an open transcription model (e.g. Whisper). Billed per minute of audio." }, "response": [ { "id": "dfbaa20d-8073-4ac0-9758-901eedcd2aa4", "name": "The transcription result", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "multipart/form-data" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "formdata", "formdata": [ { "description": "(Required) ", "key": "model", "value": "", "type": "text" }, { "description": "(Required) ", "key": "file", "type": "file" } ] }, "url": { "raw": "{{baseUrl}}/audio/transcriptions", "host": [ "{{baseUrl}}" ], "path": [ "audio", "transcriptions" ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-dfbaa20d-8073-4ac0-9758-901eedcd2aa4" }, { "id": "4efda3db-45d7-4c0e-a1cb-2e8eefcd3edc", "name": "Request validation failure. The error object includes a `param` field indicating the offending path (OpenAI-compatible error envelope).", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "multipart/form-data" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "formdata", "formdata": [ { "description": "(Required) ", "key": "model", "value": "", "type": "text" }, { "description": "(Required) ", "key": "file", "type": "file" } ] }, "url": { "raw": "{{baseUrl}}/audio/transcriptions", "host": [ "{{baseUrl}}" ], "path": [ "audio", "transcriptions" ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"message\": \"\",\n \"type\": \"\",\n \"param\": \"\",\n \"code\": \"\",\n \"doc_url\": \"\"\n }\n}", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-4efda3db-45d7-4c0e-a1cb-2e8eefcd3edc" }, { "id": "062b3ebf-38e8-44a2-a980-44333c360e92", "name": "Invalid or missing API key (error code `authentication_error`; includes a `doc_url` extension pointing at the auth docs).", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "multipart/form-data" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "formdata", "formdata": [ { "description": "(Required) ", "key": "model", "value": "", "type": "text" }, { "description": "(Required) ", "key": "file", "type": "file" } ] }, "url": { "raw": "{{baseUrl}}/audio/transcriptions", "host": [ "{{baseUrl}}" ], "path": [ "audio", "transcriptions" ] } }, "status": "Unauthorized", "code": 401, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"message\": \"\",\n \"type\": \"\",\n \"param\": \"\",\n \"code\": \"\",\n \"doc_url\": \"\"\n }\n}", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-062b3ebf-38e8-44a2-a980-44333c360e92" }, { "id": "1b568599-266d-4c7f-a3b4-427e84fb314f", "name": "Account-level rate limit or budget exceeded. Includes `Retry-After` and `x-ratelimit-*` response headers.", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "multipart/form-data" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "formdata", "formdata": [ { "description": "(Required) ", "key": "model", "value": "", "type": "text" }, { "description": "(Required) ", "key": "file", "type": "file" } ] }, "url": { "raw": "{{baseUrl}}/audio/transcriptions", "host": [ "{{baseUrl}}" ], "path": [ "audio", "transcriptions" ] } }, "status": "Too Many Requests", "code": 429, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" }, { "disabled": false, "description": { "content": "Seconds to wait before retrying.", "type": "text/plain" }, "key": "Retry-After", "value": "" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"message\": \"\",\n \"type\": \"\",\n \"param\": \"\",\n \"code\": \"\",\n \"doc_url\": \"\"\n }\n}", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-1b568599-266d-4c7f-a3b4-427e84fb314f" } ], "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-40f595dd-285a-42a5-85e4-d27fd830c39a" } ], "id": "ce3c3e0c-0b70-4f16-a7d2-214e6a56b532", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-ce3c3e0c-0b70-4f16-a7d2-214e6a56b532" }, { "name": "speech", "item": [ { "name": "Synthesize speech from text (text-to-speech)", "id": "75723ccb-fc66-4e49-b6ed-363c3b6f0817", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"model\": \"\",\n \"input\": \"\",\n \"voice\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/audio/speech", "host": [ "{{baseUrl}}" ], "path": [ "audio", "speech" ] }, "description": "Generate audio from input text using an open TTS model (e.g. Kokoro). Billed per character." }, "response": [ { "id": "c2dcd291-5b84-4003-86bc-8b3ad7047427", "name": "The synthesized audio stream", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "raw", "raw": "{\n \"model\": \"\",\n \"input\": \"\",\n \"voice\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/audio/speech", "host": [ "{{baseUrl}}" ], "path": [ "audio", "speech" ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-c2dcd291-5b84-4003-86bc-8b3ad7047427" }, { "id": "6812ccb5-8370-499b-9228-f202e06f249d", "name": "Request validation failure. The error object includes a `param` field indicating the offending path (OpenAI-compatible error envelope).", "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 \"input\": \"\",\n \"voice\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/audio/speech", "host": [ "{{baseUrl}}" ], "path": [ "audio", "speech" ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"message\": \"\",\n \"type\": \"\",\n \"param\": \"\",\n \"code\": \"\",\n \"doc_url\": \"\"\n }\n}", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-6812ccb5-8370-499b-9228-f202e06f249d" }, { "id": "ec75b739-62eb-44f1-9684-5d30094491d7", "name": "Invalid or missing API key (error code `authentication_error`; includes a `doc_url` extension pointing at the auth docs).", "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 \"input\": \"\",\n \"voice\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/audio/speech", "host": [ "{{baseUrl}}" ], "path": [ "audio", "speech" ] } }, "status": "Unauthorized", "code": 401, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"message\": \"\",\n \"type\": \"\",\n \"param\": \"\",\n \"code\": \"\",\n \"doc_url\": \"\"\n }\n}", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-ec75b739-62eb-44f1-9684-5d30094491d7" }, { "id": "aa95f93b-982e-4ade-8a80-df039ff199b1", "name": "Account-level rate limit or budget exceeded. Includes `Retry-After` and `x-ratelimit-*` response headers.", "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 \"input\": \"\",\n \"voice\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/audio/speech", "host": [ "{{baseUrl}}" ], "path": [ "audio", "speech" ] } }, "status": "Too Many Requests", "code": 429, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" }, { "disabled": false, "description": { "content": "Seconds to wait before retrying.", "type": "text/plain" }, "key": "Retry-After", "value": "" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": {\n \"message\": \"\",\n \"type\": \"\",\n \"param\": \"\",\n \"code\": \"\",\n \"doc_url\": \"\"\n }\n}", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-aa95f93b-982e-4ade-8a80-df039ff199b1" } ], "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-75723ccb-fc66-4e49-b6ed-363c3b6f0817" } ], "id": "3598e040-2975-46df-8705-dc2a7cb98f4f", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-3598e040-2975-46df-8705-dc2a7cb98f4f" } ], "id": "d4177e19-7a2d-4d14-a4d1-94da71c5b2e3", "createdAt": "2026-07-28T01:40:07.000Z", "updatedAt": "2026-07-28T01:40:07.000Z", "uid": "35240-d4177e19-7a2d-4d14-a4d1-94da71c5b2e3" } ], "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://tokens.flex.ai/v1" } ] }