Moving API docs to typedocs. Fixes #93

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Dessalines 2021-08-22 22:38:23 -04:00
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- [Federation Overview](federation/overview.md) - [Federation Overview](federation/overview.md)
- [Lemmy Protocol](federation/lemmy_protocol.md) - [Lemmy Protocol](federation/lemmy_protocol.md)
- [Client Development](client_development/client_development.md) - [Client Development](client_development/client_development.md)
- [API docs](/api)
- [HTTP API extras](client_development/http_api_extras.md)
- [Theming Guide](client_development/theming.md) - [Theming Guide](client_development/theming.md)
- [API reference](client_development/api_reference.md)
- [WebSocket API](client_development/websocket_api.md)
- [HTTP API](client_development/http_api.md)
- [Creating a Custom Frontend](client_development/custom_frontend.md) - [Creating a Custom Frontend](client_development/custom_frontend.md)
- [Contributing](contributing/contributing.md) - [Contributing](contributing/contributing.md)
- [Docker Development](contributing/docker_development.md) - [Docker Development](contributing/docker_development.md)

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# API reference
Lemmy has two, intertwined APIs:
- [WebSocket](https://join-lemmy.org/api/index.html)
- [HTTP](http_api.md)
This page describes concepts that are common to both.
<!-- toc -->
- [Basic usage](#basic-usage)
- [Data types](#data-types)
* [Lemmy types](#lemmy-types)
* [Lower-level types](#lower-level-types)
- [Default rate limits](#default-rate-limits)
<!-- tocstop -->
## Basic usage
Request and response strings are in [JSON format](https://www.json.org).
## Data types
### Lemmy types
- [Source tables, that have the columns / fields](https://github.com/LemmyNet/lemmy-js-client/blob/main/src/interfaces/source.ts)
- [Aggregates (for things like scores)](https://github.com/LemmyNet/lemmy-js-client/blob/main/src/interfaces/aggregates.ts)
- [Views - The main lemmy return types](https://github.com/LemmyNet/lemmy-js-client/blob/main/src/interfaces/views.ts)
- [Request Forms / Responses are in this folder](https://github.com/LemmyNet/lemmy-js-client/tree/main/src/interfaces/api)
### Lower-level types
- `?` designates an option which may be omitted in requests and not be present in responses. It will be of type ***SomeType***.
- `[SomeType]` is a list which contains objects of type ***SomeType***.
- Times and dates are timestamp strings in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format. Timestamps will be UTC, your client must do the UTC to local conversion.
## Default rate limits
These can be edited in your `lemmy.hjson` file, by copying the relevant section from [defaults.hjson](https://github.com/LemmyNet/lemmy/blob/main/config/defaults.hjson).
- 3 per hour for signups and community creation.
- 6 per hour for image posting.
- 6 per 10 minutes for post creation.
- 180 actions per minute for post voting and comment creation.
Everything else is not rate-limited.
**See also:** [rate limiting for custom front-ends](custom_frontend.md#rate-limiting).

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# Client Development # Client Development
- [API docs](/api)
- [HTTP API extras](client_development/http_api_extras)
- [Theming Guide](client_development/theming.md) - [Theming Guide](client_development/theming.md)
- [API reference](client_development/api_reference.md)
- [WebSocket API](https://join-lemmy.org/api/index.html)
- [HTTP API](client_development/http_api.md)

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# Lemmy HTTP API # HTTP API
<!-- toc -->
- [Websocket vs HTTP API](#websocket-vs-http-api)
- [Examples](#examples)
* [TypeScript](#typescript)
* [Curl](#curl)
+ [GET](#get-example)
+ [POST](#post-example)
- [HTTP API exclusive features](#http-api-exclusive-features)
* [RSS/Atom feeds](#rss-atom-feeds)
* [Images](#images)
+ [Create (request)](#create-request)
+ [Create (response)](#create-response)
* [Delete](#delete)
<!-- tocstop -->
## WebSocket vs HTTP API
Lemmy's HTTP API is almost identical to its WebSocket API:
- **WebSocket API** needs `let send = { op: userOperation[op], data: form}` as shown in [the WebSocketAPI specification](https://join-lemmy.org/api/index.html)
- **HTTP API** needs the form (data) at the top level, an HTTP operation (GET, PUT or POST) and endpoint (at `http(s)://host/api/v2/endpoint`). For example:
> `POST {username_or_email: X, password: X}`
For more information, see the [http.ts](https://github.com/LemmyNet/lemmy-js-client/blob/main/src/http.ts) file.
[The WebSocket API](https://join-lemmy.org/api/index.html) should be regarded as the primary source for the HTTP API since it also provides information about how to form HTTP API calls.
## Examples
### TypeScript
```ts
async editComment(form: EditComment): Promise<CommentResponse> {
return this.wrapper(HttpType.Put, '/comment', form);
}
```
| Type | URL | Body type | Return type |
| --- | --- | --- | --- |
| `PUT` | `/comment` | `EditComment` | `CommentResponse` |
### Curl
**GET example**
```
curl "http://localhost:8536/api/v2/community/list?sort=Hot"`
```
**POST example**
```
curl -i -H \
"Content-Type: application/json" \
-X POST \
-d '{
"comment_id": 374,
"score": 1,
"auth": eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6MiwiaXNzIjoidGVzdC5sZW1teS5tbCJ9.P77RX_kpz1a_geY5eCp29sl_5mAm-k27Cwnk8JcIZJk
}' \
http://localhost:8536/api/v2/comment/like
```
## HTTP API exclusive features
These features cannot be accessed from the WebSocket API:
- [RSS/Atom feeds](#rss-atom-feeds)
- [Images](#images)
### RSS/Atom feeds
- All - `/feeds/all.xml?sort=Hot`
- Community - `/feeds/c/community-name.xml?sort=Hot`
- User - `/feeds/u/user-name.xml?sort=Hot`
### Images
Lemmy forwards image requests to a locally running Pictrs.
`GET /pictrs/image/{filename}?format={webp, jpg, ...}&thumbnail={96}`
*Format and thumbnail are optional.*
#### Create (request)
Uploaded content must be valid multipart/form-data with an image array located within the images[] key.
`POST /pictrs/image`
#### Create (response)
```
{
"files": [
{
"delete_token": "{token}",
"file": "{file}.jpg"
}
],
"msg": "ok"
}
```
#### Delete
`GET /pictrs/image/delete/{delete_token}/{file}`
# Note
This documentation may lag behind the actual [API endpoints](https://github.com/LemmyNet/lemmy-js-client/blob/main/src/http.ts) and the API itself should be considered unstable (since it may change at any time).

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# Lemmy HTTP API Extras
<!-- toc -->
- [Curl Examples](#curl-examples)
- [HTTP API exclusive features](#http-api-exclusive-features)
* [RSS/Atom feeds](#rssatom-feeds)
* [Images](#images)
+ [Create (request)](#create-request)
+ [Create (response)](#create-response)
+ [Delete](#delete)
<!-- tocstop -->
## Curl Examples
**GET example**
```
curl "http://localhost:8536/api/v2/community/list?sort=Hot"`
```
**POST example**
```
curl -i -H \
"Content-Type: application/json" \
-X POST \
-d '{
"comment_id": 374,
"score": 1,
"auth": eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6MiwiaXNzIjoidGVzdC5sZW1teS5tbCJ9.P77RX_kpz1a_geY5eCp29sl_5mAm-k27Cwnk8JcIZJk
}' \
http://localhost:8536/api/v2/comment/like
```
## HTTP API exclusive features
These features cannot be accessed from the WebSocket API:
- [RSS/Atom feeds](#rss-atom-feeds)
- [Images](#images)
### RSS/Atom feeds
- All - `/feeds/all.xml?sort=Hot`
- Community - `/feeds/c/community-name.xml?sort=Hot`
- User - `/feeds/u/user-name.xml?sort=Hot`
### Images
Lemmy forwards image requests to a locally running Pictrs.
`GET /pictrs/image/{filename}?format={webp, jpg, ...}&thumbnail={96}`
*Format and thumbnail are optional.*
#### Create (request)
Uploaded content must be valid multipart/form-data with an image array located within the images[] key.
`POST /pictrs/image`
#### Create (response)
```
{
"files": [
{
"delete_token": "{token}",
"file": "{file}.jpg"
}
],
"msg": "ok"
}
```
#### Delete
`GET /pictrs/image/delete/{delete_token}/{file}`

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# WebSocket API
[Lemmy WebSocket API 2.0 documentation](https://join-lemmy.org/api/index.html)