# Lemmy on Onekey

> 20 endpoints for Lemmy (20 stable, 0 beta), 1 to 5 credits each. Category: Messaging & communities. One key, one JSON shape.

Base URL: https://api.onekey.dev
Auth: header `x-api-key: <key>`. Call shape: `GET /v1/{platform}/{endpoint}?{params}`.
Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded.
Status: stable = verified against the live source; beta = not yet verified, fields may be missing.

Page: https://onekey.dev/platforms/lemmy
Reference (Markdown): https://onekey.dev/docs/api/lemmy.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 20 mapped Lemmy endpoints return each:

- `content.text` (string): 18
- `engagement.comments` (integer): 18
- `content.createdAt` (ISO 8601 date): 17
- `content.title` (string): 16
- `author.avatarUrl` (URL): 15
- `author.displayName` (string): 15
- `author.id` (string): 15
- `author.username` (string): 15
- `content.id` (string): 15
- `entity.name` (string): 13
- `author.url` (URL): 12
- `engagement.likes` (integer): 11
- `content.url` (URL): 8
- `media.thumbnailUrl` (URL): 5
- `entity.stats.followers` (integer): 4
- `entity.url` (URL): 4
- `package.version` (string): 1
- plus 6 platform-specific fields under `ext.`

## Endpoints

### lemmy.comments

Comments of a Lemmy post.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/comments?id=52463999` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `id` (string, required): Post id on the instance
- Fields returned: `content.id`, `content.text`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.avatarUrl`, `content.title`, `engagement.likes`, `engagement.comments`, `ext.path`, `ext.apUrl`
- Reference: https://onekey.dev/docs/api/lemmy/comments.md

### lemmy.communities

Popular Lemmy communities on an instance.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/communities` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
- Fields returned: `content.id`, `entity.name`, `content.title`, `content.text`, `entity.url`, `media.thumbnailUrl`, `content.createdAt`, `entity.stats.followers`, `engagement.comments`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/communities.md

### lemmy.communities_new

Newest Lemmy communities (all federated).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/communities_new` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
- Fields returned: `content.id`, `entity.name`, `content.title`, `content.text`, `entity.url`, `media.thumbnailUrl`, `content.createdAt`, `entity.stats.followers`, `engagement.comments`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/communities_new.md

### lemmy.community

A Lemmy community.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lemmy/community?name=technology` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Community name without instance, e.g. technology
- Fields returned: `content.id`, `entity.name`, `content.title`, `content.text`, `entity.url`, `media.thumbnailUrl`, `content.createdAt`, `entity.stats.followers`, `engagement.comments`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/community.md

### lemmy.community_moderators

Moderators of a Lemmy community.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/community_moderators?name=technology` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Community name without instance, e.g. technology
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`
- Reference: https://onekey.dev/docs/api/lemmy/community_moderators.md

### lemmy.frontpage

Hot posts across all Lemmy communities on an instance.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/frontpage` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/frontpage.md

### lemmy.local_posts

Hot posts from local communities of a Lemmy instance.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/local_posts` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/local_posts.md

### lemmy.post

A Lemmy post.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lemmy/post?id=52463999` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `id` (string, required): Post id on the instance
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/post.md

### lemmy.posts_hot

Hot posts of a Lemmy community.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/posts_hot?name=technology` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Community name without instance, e.g. technology
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/posts_hot.md

### lemmy.posts_new

Newest posts of a Lemmy community.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/posts_new?name=technology` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Community name without instance, e.g. technology
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/posts_new.md

### lemmy.posts_top

Top posts of a Lemmy community (past week).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/posts_top?name=technology` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Community name without instance, e.g. technology
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/posts_top.md

### lemmy.search_comments

Search Lemmy comments.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/search_comments?q=python` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `q` (string, required): Search query
- Fields returned: `content.id`, `content.text`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.avatarUrl`, `content.title`, `engagement.likes`, `engagement.comments`, `ext.path`, `ext.apUrl`
- Reference: https://onekey.dev/docs/api/lemmy/search_comments.md

### lemmy.search_communities

Search Lemmy communities.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/search_communities?q=python` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `q` (string, required): Search query
- Fields returned: `content.id`, `entity.name`, `content.title`, `content.text`, `entity.url`, `media.thumbnailUrl`, `content.createdAt`, `entity.stats.followers`, `engagement.comments`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/search_communities.md

### lemmy.search_posts

Search Lemmy posts.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/search_posts?q=python` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `q` (string, required): Search query
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/search_posts.md

### lemmy.search_users

Search Lemmy users.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/search_users?q=lemmy` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `q` (string, required): Search query
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `content.text`, `content.createdAt`, `engagement.comments`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/search_users.md

### lemmy.site

Lemmy instance information.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lemmy/site` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
- Fields returned: `entity.name`, `content.text`, `content.title`, `media.thumbnailUrl`, `engagement.comments`, `package.version`, `ext.users`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/site.md

### lemmy.site_admins

Administrators of a Lemmy instance.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/site_admins` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`
- Reference: https://onekey.dev/docs/api/lemmy/site_admins.md

### lemmy.user

A Lemmy user's profile.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/lemmy/user?name=lemmy` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Username on the instance, e.g. lemmy
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `content.text`, `content.createdAt`, `engagement.comments`, `ext.posts`
- Reference: https://onekey.dev/docs/api/lemmy/user.md

### lemmy.user_comments

Comments by a Lemmy user.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/user_comments?name=inclementimmigrant` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Username on the instance, e.g. lemmy
- Fields returned: `content.id`, `content.text`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.avatarUrl`, `content.title`, `engagement.likes`, `engagement.comments`, `ext.path`, `ext.apUrl`
- Reference: https://onekey.dev/docs/api/lemmy/user_comments.md

### lemmy.user_posts

Posts by a Lemmy user.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/lemmy/user_posts?name=inclementimmigrant` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `instance` (string, optional): Known Lemmy instance (allowlisted), default lemmy.world
  - `name` (string, required): Username on the instance, e.g. lemmy
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `entity.name`, `engagement.likes`, `engagement.comments`, `ext.apUrl`, `ext.languageId`, `ext.title`
- Reference: https://onekey.dev/docs/api/lemmy/user_posts.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/lemmy/community?name=technology" \
  -H "x-api-key: YOUR_API_KEY"
```