# LeetCode on Onekey

> 11 endpoints for LeetCode (11 stable, 0 beta), 1 to 5 credits each. Category: Developer platforms. 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/leetcode
Reference (Markdown): https://onekey.dev/docs/api/leetcode.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 11 mapped LeetCode endpoints return each:

- `content.title` (string): 6
- `content.createdAt` (ISO 8601 date): 5
- `entity.slug` (string): 5
- `entity.id` (string): 3
- `entity.name` (string): 3
- `entity.stats.rating` (number): 2
- `author.avatarUrl` (URL): 1
- `author.displayName` (string): 1
- `author.id` (string): 1
- `author.username` (string): 1
- `content.id` (string): 1
- `engagement.likes` (integer): 1
- `entity.country` (string): 1
- `entity.stats.rank` (integer): 1
- `media.durationSeconds` (number): 1
- plus 16 platform-specific fields under `ext.`

## Endpoints

### leetcode.badges

Badges earned by a LeetCode user.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/badges?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `entity.id`, `entity.name`, `content.createdAt`
- Reference: https://onekey.dev/docs/api/leetcode/badges.md

### leetcode.contest_history

A LeetCode user's contest participation history.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/contest_history?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `content.title`, `content.createdAt`, `entity.stats.rating`, `entity.stats.rank`, `ext.attended`
- Reference: https://onekey.dev/docs/api/leetcode/contest_history.md

### leetcode.contest_rating

A LeetCode user's contest rating and ranking.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/leetcode/contest_rating?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `entity.stats.rating`, `ext.globalRank`, `ext.contests`, `ext.participants`, `ext.topPercent`
- Reference: https://onekey.dev/docs/api/leetcode/contest_rating.md

### leetcode.contests

All LeetCode contests.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/contests` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `content.title`, `entity.slug`, `content.createdAt`, `media.durationSeconds`
- Reference: https://onekey.dev/docs/api/leetcode/contests.md

### leetcode.daily_challenge

LeetCode's daily coding challenge.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/leetcode/daily_challenge` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `content.createdAt`, `content.title`, `entity.slug`, `ext.difficulty`, `ext.acceptanceRate`, `ext.path`
- Reference: https://onekey.dev/docs/api/leetcode/daily_challenge.md

### leetcode.language_stats

Problems solved per language by a LeetCode user.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/language_stats?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `entity.name`, `ext.solved`
- Reference: https://onekey.dev/docs/api/leetcode/language_stats.md

### leetcode.problem

Fetch a LeetCode problem's public metadata.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/leetcode/problem?slug=two-sum` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `slug` (string, required): Problem slug, e.g. two-sum
- Fields returned: `entity.id`, `content.title`, `entity.slug`, `engagement.likes`, `ext.difficulty`, `ext.dislikes`, `ext.acceptanceRate`, `ext.paidOnly`
- Reference: https://onekey.dev/docs/api/leetcode/problem.md

### leetcode.problem_search

Search LeetCode problems by keyword.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/problem_search?q=tree` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search keyword
- Fields returned: `entity.id`, `content.title`, `entity.slug`, `ext.difficulty`, `ext.acceptanceRate`, `ext.paidOnly`
- Reference: https://onekey.dev/docs/api/leetcode/problem_search.md

### leetcode.profile

Fetch a LeetCode user's public profile and solved counts.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/leetcode/profile?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.avatarUrl`, `entity.country`, `ext.ranking`, `ext.reputation`, `ext.solved`, `ext.easy`, `ext.medium`, `ext.hard`
- Reference: https://onekey.dev/docs/api/leetcode/profile.md

### leetcode.recent_solved

A LeetCode user's recently accepted submissions.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/recent_solved?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `content.id`, `content.title`, `entity.slug`, `content.createdAt`
- Reference: https://onekey.dev/docs/api/leetcode/recent_solved.md

### leetcode.skill_stats

Advanced-topic problems solved by a LeetCode user.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/leetcode/skill_stats?username=lee215` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): LeetCode username, e.g. lee215
- Fields returned: `entity.name`, `ext.solved`
- Reference: https://onekey.dev/docs/api/leetcode/skill_stats.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/leetcode/contest_rating?username=lee215" \
  -H "x-api-key: YOUR_API_KEY"
```