# Pintu > Pintu (PT Pintu Kemana Saja) is an Indonesian cryptocurrency exchange and investment app (founded 2020, 4M+ users, Bappebti/OJK-licensed). Pintu Pro is its institutional/partner trading platform, exposing an HMAC-signed WebSocket + HTTP order-routing API at docs.pintu.pro with production and sandbox environments. ## APIs - [Pintu Pro Partner API](https://docs.pintu.pro/): HMAC-SHA256 signed envelope over HTTP and WebSocket; place/cancel orders and stream ExecutionReport, Trade, and user.orders channels. Production wss://partner.pintu.co.id/ws/v1, sandbox wss://partner.sandbox.pintu.co.id/ws/v1. ## Docs - [API Reference](https://docs.pintu.pro/): Pintu Pro partner API reference (auth-gated). - [Go sample client](https://github.com/pintu-crypto/pintu-api-sample-go): first-party Go reference implementation of the protocol. - [GitHub organization](https://github.com/pintu-crypto): Pintu Crypto Fintech. ## Artifacts - [Authentication](authentication/pintu-authentication.yml): HMAC-SHA256 signed request envelope. - [Conventions](conventions/pintu-conventions.yml): envelope, ClOrdID idempotency, streaming replay, versioning, rate limiting. - [Error codes](errors/pintu-error-codes.yml): numeric code/message error envelope. - [Sandbox](sandbox/pintu-sandbox.yml): dedicated sandbox host + credentials. - [Event surface (Webhooks)](asyncapi/pintu-partner-asyncapi.yml): WebSocket streaming channels. - [Lifecycle](lifecycle/pintu-lifecycle.yml): v1 URI-path versioning, environments. ## Company - [Website](https://pintu.co.id): Pintu consumer app (spot, futures, Earn, Web3 wallet). - [News / Blog](https://pintu.co.id/en/news) - [Bug bounty](https://pintu.co.id/security/bug-bounty): vulnerability disclosure program. - [Terms of Service](https://pintu.co.id/en/pages/pintu-pro-terms-and-conditions) - [Privacy Policy](https://pintu.co.id/en/pages/privacy-policy)