# AutoUncle CoDriver developer docs > Integrate any CRM, DMS, website or lead tool with AutoUncle CoDriver: OAuth 2.1, an OpenAPI 3.1 contract, RFC 9457 errors, and CloudEvents delivered as Standard Webhooks. ## Docs - [Build your own integration](https://codriver.autouncle.com/developers/index.md): Connect any CRM, DMS, website or lead tool to AutoUncle CoDriver with an open, standards-based API and signed webhooks. - [Authentication](https://codriver.autouncle.com/developers/authentication.md): OAuth 2.1 client credentials, scopes, tokens and Test clients. - [Push leads](https://codriver.autouncle.com/developers/leads.md): Send leads and inquiries to AutoUncle CoDriver, safely retried and tied to your own records. - [Read data](https://codriver.autouncle.com/developers/reading.md): Lead status, opportunities, appointments, lookups by your own reference, and incremental sync. - [Webhooks](https://codriver.autouncle.com/developers/webhooks.md): Receive every lead, opportunity, message and appointment event, signed, the moment it happens. - [Events feed](https://codriver.autouncle.com/developers/events-feed.md): Poll the same events webhooks deliver, for systems that can't receive webhooks. - [Testing](https://codriver.autouncle.com/developers/testing.md): Test clients, test leads, test events and sandbox organizations. - [Errors](https://codriver.autouncle.com/developers/errors.md): Problem details, error codes and what to do about each. - [Rate limits](https://codriver.autouncle.com/developers/rate-limits.md): How many requests a client may make, and how AutoUncle CoDriver tells you. - [Versioning and changelog](https://codriver.autouncle.com/developers/versioning.md): What changes without notice, what never does, and what changed. - [Agent kit](https://codriver.autouncle.com/developers/agent-kit.md): A skill and a prompt that let an AI coding agent build and test your AutoUncle CoDriver integration end to end. ## Contract - [OpenAPI 3.1 specification](https://codriver.autouncle.com/openapi.yaml): every endpoint, field and event - [Agent skill](https://codriver.autouncle.com/developers/v1/SKILL.md): integrate a system with AutoUncle CoDriver end to end