> For the complete documentation index, see [llms.txt](https://thegrid.ai/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thegrid.ai/docs/api-reference.md).

# API reference

- [Overview](https://thegrid.ai/docs/api-reference/api-reference.md): Complete API reference for The Grid's market-priced AI inference platform. Covers the Consumption API for OpenAI- and Anthropic-compatible inference, the Trading API for market data and orders, and th
- [Authentication](https://thegrid.ai/docs/api-reference/authentication.md): The Grid issues two types of API keys plus OAuth access tokens for programmatic account control. This page covers generation, use, rotation, and the agent onboarding path.
- [Consumption API](https://thegrid.ai/docs/api-reference/consumption-api.md): The Consumption API is what you call to run inference. Two surfaces (OpenAI Chat Completions and Anthropic Messages) sit in front of the same routing engine.
- [Trading API](https://thegrid.ai/docs/api-reference/trading-api.md): Everything beyond inference. Read instrument specs, market data, balances, and past trades, place limit orders yourself instead of letting Auto Mode buy on your behalf, or resell unused tokens back on
- [Platform API](https://thegrid.ai/docs/api-reference/platform-api.md): Reference for The Grid Platform API at platform.api.thegrid.ai. OAuth 2.0 device login for agents, programmatic consumption and trading key management, and account settings endpoints with full request
- [Diagnostics](https://thegrid.ai/docs/api-reference/diagnostics.md): Safe, read-only diagnostics for The Grid CLI and for raw HTTP clients using Platform, Trading, or Consumption authentication.
- [Errors and rate limits](https://thegrid.ai/docs/api-reference/errors-and-rate-limits.md): How both APIs report failure, which errors are retryable, and how rate limits behave on each key. Use this page when your client hits something other than a 200.
- [Request routing and redirects](https://thegrid.ai/docs/api-reference/request-routing-and-redirects.md): How a request to the Consumption API gets to the supplier fulfilling your inference, and which clients need configuration to follow the routing redirect.


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