# The new eTaxGo ## API Docs - Authentication [Get access token (OAuth 2.0 Client Credentials)](https://docs.etaxgo.com/get-access-token-oauth-2-0-client-credentials-37895005e0.md): Exchange your `client_id` and `client_secret` for a Bearer token. - Documents [Create tax document](https://docs.etaxgo.com/create-tax-document-37895006e0.md): Submit a new tax document for processing. The document is queued asynchronously — - Documents [Get document detail and status](https://docs.etaxgo.com/get-document-detail-and-status-37895007e0.md): Returns the full document including current processing status, line items, - Documents [Download signed PDF](https://docs.etaxgo.com/download-signed-pdf-37895008e0.md): Streams the signed PDF/A-3 file for the document. - Documents [List / search documents](https://docs.etaxgo.com/list-search-documents-37895009e0.md): Returns a paginated list of documents filtered by date, type, status, or keyword. ## Schemas - [test](https://docs.etaxgo.com/test-15755889d0.md): - [TokenRequest](https://docs.etaxgo.com/tokenrequest-15756054d0.md): - [TokenResponse](https://docs.etaxgo.com/tokenresponse-15756055d0.md): - [BuyerAddress](https://docs.etaxgo.com/buyeraddress-15756056d0.md): - [DocumentLineItem](https://docs.etaxgo.com/documentlineitem-15756057d0.md): - [CreateDocumentRequest](https://docs.etaxgo.com/createdocumentrequest-15756058d0.md): - [CreateDocumentResponse](https://docs.etaxgo.com/createdocumentresponse-15756059d0.md): - [DocumentSearchRequest](https://docs.etaxgo.com/documentsearchrequest-15756060d0.md): - [DocumentSearchResponse](https://docs.etaxgo.com/documentsearchresponse-15756061d0.md): - [ErrorResponse](https://docs.etaxgo.com/errorresponse-15756062d0.md):