Pinax

    Developer documentation

    Pick a product to dive in. Each endpoint and method has its own page with parameters, request/response samples, and a live Try-it that auto-attaches your project key when you're signed in.

    APIs

    Token API

    48 endpoints

    EVM, SVM, and TVM onchain data, with docs and monitoring endpoints.

    Prediction Markets

    NEW21 endpoints

    Polymarket endpoints, with docs and monitoring alongside the API.

    Perp Exchanges

    PREVIEW20 endpoints

    Hyperliquid markets, OHLCV, open interest, and exchange data.

    Blobs

    NEW4 endpoints

    EIP-4844 blob sidecars. Public endpoint, no key needed.

    Streaming & RPC

    JSON-RPC

    30 endpoints

    Standard Ethereum JSON-RPC 2.0 across every supported chain.

    Substreams

    Streaming-first blockchain indexing. Sub-second latency.

    Firehose

    Deterministic raw-block streaming for indexers and pipelines.

    WebSockets

    BETA

    Real-time Substreams blocks over WebSocket with subscribe + SQE filters.

    Guides

    Token API guide

    Chains, auth, response shape, sentinel addresses, swap field semantics, FAQs.

    Prediction Markets guide

    Polymarket use cases, endpoint catalog, leaderboard research, FAQs.

    Perp Exchanges guide

    Hyperliquid markets, OHLCV, OI, funding, account activity, FAQs.

    WebSockets guide

    NEW

    Stream catalog, subscription URLs, messages vs events, SQE filters, FAQs.

    MCP server setup

    NEW

    Connect Claude Desktop, Cursor, and Cline to the Token API via the @pinax/mcp bridge.

    Custom GPT integration

    Wire the Token API into an OpenAI Custom GPT as a Bearer-authenticated action.

    Base vs Extended blocks

    NEW

    EVM block detail levels: what base and extended contain, and when traces or state need extended.