# 1Funnel Developers

> Approved integration documentation for the 1Funnel platform.

- [1Funnel Developers](https://developers.1-funnel.org/index.md): Documentation for approved 1Funnel integrations.
- [Introduction](https://developers.1-funnel.org/getting-started/introduction.md): What the 1Funnel developer portal is for.
- [Quickstart](https://developers.1-funnel.org/getting-started/quickstart.md): The path from an approved contract to a working integration.
- [Authentication](https://developers.1-funnel.org/getting-started/authentication.md): How API consumer authentication will be documented.
- [Environments](https://developers.1-funnel.org/getting-started/environments.md): How integration environments will be published.
- [First API request](https://developers.1-funnel.org/getting-started/first-api-request.md): Where the first approved request example will be published.
- [Guides](https://developers.1-funnel.org/guides/overview.md): Integration guides published only after a contract is approved.
- [API reference overview](https://developers.1-funnel.org/api-reference/overview.md): How the 1Funnel API reference is published.
- [API authentication](https://developers.1-funnel.org/api-reference/authentication.md): Where the approved API authentication scheme will be documented.
- [Errors](https://developers.1-funnel.org/api-reference/errors.md): How API errors will be documented.
- [Pagination](https://developers.1-funnel.org/api-reference/pagination.md): How pagination will be documented.
- [Rate limits](https://developers.1-funnel.org/api-reference/rate-limits.md): How rate limits will be documented.
- [Idempotency](https://developers.1-funnel.org/api-reference/idempotency.md): How idempotency will be documented.
- [Versioning](https://developers.1-funnel.org/api-reference/versioning.md): How public API and documentation versions are published.
- [SDKs](https://developers.1-funnel.org/sdks/overview.md): SDK availability for the 1Funnel External Integration API.
- [Changelog](https://developers.1-funnel.org/resources/changelog.md): Public changes to the 1Funnel developer platform.
- [Support](https://developers.1-funnel.org/resources/support.md): How to get help with 1Funnel integrations and documentation.
- [Glossary](https://developers.1-funnel.org/resources/glossary.md): Terms used in the 1Funnel developer portal.


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