# Crypto.com > Cryptocurrency exchange, brokerage and payments company with four programmable products: the > Crypto.com Exchange API v1 (REST + WebSocket + FIX 4.4), the Crypto.com Pay merchant payments API, > the Crypto.com Developer Platform API for Cronos EVM / zkEVM, and an agent layer made up of a > published MCP server, an agent-first CLI and provider-authored Agent Skills. This file is generated by API Evangelist from the artifacts in this repository. Crypto.com publishes its own llms.txt files for two of its docs sites; both are mirrored verbatim in this directory and linked below. ## Provider-published llms.txt - [Crypto.com Exchange API v1 docs](https://exchange-developer.crypto.com/exchange/v1/llms.txt): 228-entry table of contents covering the REST, WebSocket and FIX references. Mirrored at llms/crypto-com-exchange-llms.txt - [Crypto.com AI Agent SDK docs](https://ai-agent-sdk-docs.crypto.com/llms.txt): AI Agent SDK and Developer Platform documentation index. Mirrored at llms/crypto-com-ai-agent-sdk-llms.txt ## APIs - [Crypto.com Exchange REST API v1](https://exchange-developer.crypto.com/exchange/v1/docs/api/rest-introduction): 95 operations at https://api.crypto.com/exchange/v1 - market data, trading, advanced OCO/OTO/OTOCO orders, OTC RFQ, balances and positions, crypto and fiat wallets, staking, trading bots, history - [Crypto.com Exchange WebSocket API v1](https://exchange-developer.crypto.com/exchange/v1/docs/api/websocket-introduction): wss://stream.crypto.com/exchange/v1 - public market channels and authenticated user channels - [Crypto.com Exchange FIX API](https://exchange-developer.crypto.com/exchange/v1/docs/api/fix-introduction): FIX 4.4 order entry, market data and drop copy over AWS PrivateLink - [Crypto.com Pay API](https://pay-docs.crypto.com/): https://pay.crypto.com/api - payments, refunds, subscriptions, invoices, customers, products, sub-merchants - [Crypto.com Developer Platform API](https://developer.crypto.com/documentation): https://developer-platform-api.crypto.com/v1/cdc-developer-platform - Cronos tokens, contracts, transactions, blocks, wallets, CronosID, DeFi ## Specs - [Exchange OpenAPI 3.0.3](openapi/crypto-com-exchange-openapi.yml): 95 operations, 221 component schemas, 560 in-spec examples, production + UAT sandbox servers. No securitySchemes are declared. - [OpenAPI Overlay](overlays/crypto-com-exchange-overlay.yaml): the security scheme and runtime extensions API Evangelist would add to the spec ## Agent surface - [MCP server](mcp/crypto-com-mcp.yml): first-party `cdcx` MCP server, stdio, `npx -y @cryptocom/cdcx-cli@latest mcp` - [Tool crosswalk](mcp/crypto-com-tool-crosswalk.yml): 67 published CLI/MCP commands bound to Exchange OpenAPI operationIds - [Agent Skills](skills/_index.yml): crypto-com-app and crypto-com-exchange, published by Crypto.com - [CLI](cli/crypto-com-cli.yml): cdcx, agent-first Rust CLI and TUI ## Runtime semantics - [Authentication](authentication/crypto-com-authentication.yml): HMAC-SHA256 request signing on the Exchange, HTTP Basic secret key on Pay, API key on the Developer Platform - [Conventions](conventions/crypto-com-conventions.yml): JSON-RPC-shaped envelope, numbers as strings, idempotency, pagination, versioning - [Error catalog](errors/crypto-com-error-codes.yml): 97 Exchange reason codes plus the Pay error codes - [Rate limits](rate-limits/crypto-com-rate-limits.yml): published limits; no rate-limit response headers - [Event surface](asyncapi/crypto-com-event-surface.yml): 12 Pay webhook events, Exchange WebSocket channels - [Lifecycle](lifecycle/crypto-com-lifecycle.yml): versioning, breaking-change schedule, status page - [Sandbox](sandbox/crypto-com-sandbox.yml): Exchange UAT, Pay test mode - [Changelog](changelog/crypto-com-changelog.yml) - [Conformance](conformance/crypto-com-conformance.yml) - [Packages](packages/crypto-com-packages.yml) ## Optional - [Data model](data-model/crypto-com-data-model.yml) - [Domain security](security/crypto-com-domain-security.yml) - [Vulnerability disclosure](security/crypto-com-vulnerability-disclosure.yml) - [Trust center](security/crypto-com-trust-center.yml) - [Well-known probe](well-known/crypto-com-well-known.yml): 42 probes, zero documents