# YoLead Developers > Developer documentation for YoLead REST integrations, webhooks, and embedded iframe flows. ## Docs - [API keys](https://docs.yo-lead.com/api-keys.md): Create and manage Public API credentials. - [Create embed session](https://docs.yo-lead.com/api-reference/embed/create-embed-session.md): Creates a short-lived iframe session for embedding YoLead chat UI in a customer system. - [List employees](https://docs.yo-lead.com/api-reference/employees/list-employees.md): Returns employees for the API key company. The response is sorted by firstName, lastName, and id, and capped at 1000 employees. - [Change ticket status](https://docs.yo-lead.com/api-reference/tickets/change-ticket-status.md): Changes the current ticket status. - [Get ticket history](https://docs.yo-lead.com/api-reference/tickets/get-ticket-history.md): Returns ticket metadata and a chunk of ticket messages for the API key company. - [Authentication](https://docs.yo-lead.com/authentication.md): Sign Public API requests with YoLead HMAC headers. - [Changelog](https://docs.yo-lead.com/changelog.md): Public integration changes. - [Capabilities](https://docs.yo-lead.com/embed/capabilities.md): Control which iframe features are available. - [Create a session](https://docs.yo-lead.com/embed/create-session.md): Create an iframe session with the Public API. - [Examples](https://docs.yo-lead.com/embed/examples.md): Common iframe integration patterns. - [Embed overview](https://docs.yo-lead.com/embed/overview.md): Embed YoLead chat UI inside your product. - [Errors](https://docs.yo-lead.com/errors.md): Understand YoLead Public API error responses. - [Introduction](https://docs.yo-lead.com/introduction.md): Build REST, webhook, and iframe integrations with YoLead. - [Quickstart](https://docs.yo-lead.com/quickstart.md): Make your first signed YoLead Public API request. - [REST overview](https://docs.yo-lead.com/rest/overview.md): Public REST endpoints available under /v1. - [Events](https://docs.yo-lead.com/webhooks/events.md): YoLead webhook event reference. - [Webhooks overview](https://docs.yo-lead.com/webhooks/overview.md): Receive YoLead events on your backend. - [Verifying signatures](https://docs.yo-lead.com/webhooks/verifying-signatures.md): Verify webhook payloads delivered by YoLead. ## OpenAPI Specs - [public-api-v1](https://docs.yo-lead.com/openapi/public-api-v1.json) - [openapi](https://docs.yo-lead.com/api-reference/openapi.json)