# (Deprecated) GST 1.0 API

- [(Deprecated) Introduction to GST API](/cleartax-docs/gst-api-1/introduction-to-gst-api.md)
- [(Deprecated) Learn GST API Basics](/cleartax-docs/gst-api-1/learn-basics.md)
- [(Deprecated) Getting Started with GST API](/cleartax-docs/gst-api-1/getting-started-with-gst-api.md)
- [(Deprecated) How to set up ClearTax account?](/cleartax-docs/gst-api-1/getting-started-with-gst-api/set-up-your-account.md)
- [(Deprecated) How to authenticate API requests?](/cleartax-docs/gst-api-1/getting-started-with-gst-api/how-to-authenticate-api-requests.md)
- [(Deprecated) How to upload an invoice from File?](/cleartax-docs/gst-api-1/getting-started-with-gst-api/upload-an-invoice-from-file.md)
- [(Deprecated) How to create custom import template?](/cleartax-docs/gst-api-1/getting-started-with-gst-api/how-to-create-custom-import-template.md)
- [(Deprecated) GST 1.0 API Reference](/cleartax-docs/gst-api-1/gst-api-reference.md)
- [Taxpayer Information](/cleartax-docs/gst-api-1/gst-api-reference/taxpayer-information.md)
- [(Deprecated) Invoices](/cleartax-docs/gst-api-1/gst-api-reference/invoices.md)
- [(Deprecated) Bills of Supply](/cleartax-docs/gst-api-1/gst-api-reference/bills-of-supply.md)
- [(Deprecated) Credit Debit Notes (CDN)](/cleartax-docs/gst-api-1/gst-api-reference/credit-debit-notes.md)
- [(Deprecated) Advances](/cleartax-docs/gst-api-1/gst-api-reference/advances.md)
- [(Deprecated) Resources and Masters](/cleartax-docs/gst-api-1/gst-api-reference/resources-and-masters.md)
- [(Deprecated) How to read GST error response](/cleartax-docs/gst-api-1/gst-api-reference/resources-and-masters/error-response-master.md)
- [(Deprecated) Unit of Measurement master](/cleartax-docs/gst-api-1/gst-api-reference/resources-and-masters/unit-of-measurement-master.md)
- [(Deprecated) State master](/cleartax-docs/gst-api-1/gst-api-reference/resources-and-masters/place-is-supply-master.md)
- [(Deprecated) Document Classification/Section Name master](/cleartax-docs/gst-api-1/gst-api-reference/resources-and-masters/classification-section-name-master.md)
- [(Deprecated) Items](/cleartax-docs/gst-api-1/gst-api-reference/items.md)
- [(Deprecated) Contacts](/cleartax-docs/gst-api-1/gst-api-reference/contacts.md)
- [(Deprecated) GST File Upload API Reference](/cleartax-docs/gst-api-1/gst-api-reference/file-upload-api-reference.md)