# Sylvian AI ## Docs - [Async jobs and polling](https://docs.sylvian.ai/api-reference/async-jobs.md): Understand queued, running, succeeded, and failed job states. - [Authentication](https://docs.sylvian.ai/api-reference/authentication.md): How to authenticate requests to Forms API. - [Download Shared File](https://docs.sylvian.ai/api-reference/download-shared-file.md): Download a file using a secure share token. - [Errors and status codes](https://docs.sylvian.ai/api-reference/errors.md): Reference common error responses across Forms API. - [Fill Form](https://docs.sylvian.ai/api-reference/fill-form.md): Enqueue a PDF fill job (async-only). - [Get Fill Status](https://docs.sylvian.ai/api-reference/get-fill-status.md): Poll fill job status. - [Get Parse Status](https://docs.sylvian.ai/api-reference/get-parse-status.md): Poll parse job status. - [Forms API overview](https://docs.sylvian.ai/api-reference/introduction.md): Parse PDFs and fill forms programmatically. - [Parse Form](https://docs.sylvian.ai/api-reference/parse-form.md): Enqueue a PDF parse job (async-only). ## OpenAPI Specs - [openapi](https://docs.sylvian.ai/openapi.json)