6io API documentation

An OpenAI-compatible API with a separate balance in credits. Start with the Quick start; the full list of routes, schemas and error codes is in the reference.

• Quick startWhat the 6io API is, the four model groups, the key, the first request and how to see what you spent.
• ChatRequest and streaming, the model catalog and prices, free models, what is not supported.
• OpenRouter modelsGroup op: finding a model, the provider list and prices, choosing a provider, sorting, plugins and web search.
• Venice modelsGroup vn: Venice chat specifics, the system prompt, paid search, the price.
• fal modelsImages, video and audio as a task: price, submit, status, result, cancel, money.
• Sixio modelsImages and video of 6io as tasks: catalog, input fields, files by link, state, result, money.
• Background jobsPOST /v1/jobs: a background run, the state, the finished result, money.
• WebhooksWebhooks: learn about the end of a queue request without polling, the format and signature, retries.
• Balance and pricesThe separate credit balance, top-up, how the price is made up, reserve and charge by actual cost, what happens to money on a failure.
• Retries and failuresThe Idempotency-Key header, what to do on each error, a safe retry in code.
• Errors and limitsError format, the tables of codes, account limits and the Retry-After header.
• Terms of useWhat the service is, who bears responsibility and risks.
• ReferenceRoutes, schemas and error codes of the 6io API from the OpenAPI specification.