# Substack

8 endpoints on Substack. Every one returns the same response shape and has a flat, published price in credits.

Category: [News & publishing](https://onekey.dev/docs/categories/news.md) · [Overview page](https://onekey.dev/platforms/substack)

## Endpoints

| Endpoint | What it does | Cost | Status |
| --- | --- | --- | --- |
| [`archive`](https://onekey.dev/docs/api/substack/archive.md) | Latest posts of a Substack publication. | 5 credits | stable |
| [`categories`](https://onekey.dev/docs/api/substack/categories.md) | Substack's publication categories. | 5 credits | stable |
| [`category_publications`](https://onekey.dev/docs/api/substack/category_publications.md) | Top publications in a Substack category. | 5 credits | stable |
| [`post`](https://onekey.dev/docs/api/substack/post.md) | Fetch a Substack post by slug. | 1 credit | stable |
| [`post_comments`](https://onekey.dev/docs/api/substack/post_comments.md) | Comments on a Substack post (by post id). | 5 credits | stable |
| [`search`](https://onekey.dev/docs/api/substack/search.md) | Search posts within a Substack publication. | 5 credits | stable |
| [`top_posts`](https://onekey.dev/docs/api/substack/top_posts.md) | Top posts of a Substack publication. | 5 credits | stable |
| [`user`](https://onekey.dev/docs/api/substack/user.md) | Fetch a Substack user's public profile by handle. | 1 credit | stable |

Every endpoint page has a **Field mapping** section showing which source field becomes which [unified field](https://onekey.dev/docs/schema.md) (fixed schema) or platform-specific `ext.` field.