# Manifold Markets on Onekey

> 12 endpoints for Manifold Markets (12 stable, 0 beta), 1 to 5 credits each. Category: Finance & markets. 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/manifold
Reference (Markdown): https://onekey.dev/docs/api/manifold.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 12 mapped Manifold Markets endpoints return each:

- `author.id` (string): 10
- `entity.id` (string): 8
- `author.avatarUrl` (URL): 7
- `author.displayName` (string): 7
- `author.username` (string): 7
- `entity.date` (ISO 8601 date): 7
- `entity.url` (URL): 7
- `entity.category` (string): 6
- `entity.createdAt` (ISO 8601 date): 6
- `entity.name` (string): 6
- `entity.slug` (string): 6
- `market.liquidity` (number): 4
- `market.probability` (number): 4
- `market.volume` (number): 4
- `market.volume24h` (number): 4
- `author.followers` (integer): 3
- `author.url` (URL): 3
- `content.createdAt` (ISO 8601 date): 3
- `content.text` (string): 3
- `entity.description` (string): 2
- `entity.stats.members` (integer): 2
- plus 15 platform-specific fields under `ext.`

## Endpoints

### manifold.group

One Manifold group by slug.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/manifold/group?slug=technology` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `slug` (string, required): Group slug
- Fields returned: `entity.id`, `entity.name`, `entity.slug`, `entity.description`, `entity.stats.members`, `entity.createdAt`
- Reference: https://onekey.dev/docs/api/manifold/group.md

### manifold.groups

Manifold topic groups.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/manifold/groups` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `entity.id`, `entity.name`, `entity.slug`, `entity.description`, `entity.stats.members`, `entity.createdAt`, `ext.importance`
- Reference: https://onekey.dev/docs/api/manifold/groups.md

### manifold.market

One Manifold market by id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/manifold/market?id=BpoEJNtlQoDBpfjBmK0y` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): Market id
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.slug`, `entity.category`, `entity.createdAt`, `entity.date`, `market.probability`, `market.volume`, `market.volume24h`, `market.liquidity`, `author.username`, `author.displayName`, `author.id`, `author.avatarUrl`, `ext.bettors`, `ext.resolved`
- Reference: https://onekey.dev/docs/api/manifold/market.md

### manifold.market_bets

Recent bets on a Manifold market.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/manifold/market_bets?id=BpoEJNtlQoDBpfjBmK0y&limit=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): Market id
  - `limit` (string, optional, default 20): Rows (1-100)
- Fields returned: `entity.id`, `author.id`, `entity.category`, `entity.date`, `ext.marketId`, `ext.amount`, `ext.shares`, `ext.probBefore`, `ext.probAfter`, `ext.isRedemption`
- Reference: https://onekey.dev/docs/api/manifold/market_bets.md

### manifold.market_by_slug

One Manifold market by slug.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/manifold/market_by_slug?slug=will-republicans-win-the-senate-in-738388924521` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `slug` (string, required): Market slug
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.slug`, `entity.category`, `entity.createdAt`, `entity.date`, `market.probability`, `market.volume`, `market.volume24h`, `market.liquidity`, `author.username`, `author.displayName`, `author.id`, `author.avatarUrl`, `ext.bettors`, `ext.resolved`
- Reference: https://onekey.dev/docs/api/manifold/market_by_slug.md

### manifold.markets

Latest Manifold markets.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/manifold/markets?limit=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `limit` (string, optional, default 20): Rows (1-100)
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.slug`, `entity.category`, `entity.createdAt`, `entity.date`, `market.probability`, `market.volume`, `market.volume24h`, `market.liquidity`, `author.username`, `author.displayName`, `author.id`, `author.avatarUrl`, `ext.bettors`, `ext.resolved`
- Reference: https://onekey.dev/docs/api/manifold/markets.md

### manifold.portfolio

Manifold user portfolio summary (by user id).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/manifold/portfolio?id=igi2zGXsfxYPgB0DJTXVJVmwCOr2` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): User id
- Fields returned: `author.id`, `entity.date`, `ext.balance`, `ext.investmentValue`, `ext.loanTotal`, `ext.dailyProfit`
- Reference: https://onekey.dev/docs/api/manifold/portfolio.md

### manifold.search

Search Manifold markets.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/manifold/search?q=election&limit=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search text
  - `limit` (string, optional, default 20): Rows (1-100)
  - `sort` (string, optional, default score): Sort order
  - `filter` (string, optional, default open): Status filter
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.slug`, `entity.category`, `entity.createdAt`, `entity.date`, `market.probability`, `market.volume`, `market.volume24h`, `market.liquidity`, `author.username`, `author.displayName`, `author.id`, `author.avatarUrl`, `ext.bettors`, `ext.resolved`
- Reference: https://onekey.dev/docs/api/manifold/search.md

### manifold.user

Manifold user profile by username.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/manifold/user?username=Austin` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): Username
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `author.followers`, `content.text`, `entity.url`, `content.createdAt`, `ext.balance`, `ext.creatorTraders`, `ext.isBot`
- Reference: https://onekey.dev/docs/api/manifold/user.md

### manifold.user_bets

Recent bets placed by a Manifold user.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/manifold/user_bets?username=Austin&limit=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `username` (string, required): Username
  - `limit` (string, optional, default 20): Rows (1-100)
- Fields returned: `entity.id`, `author.id`, `entity.category`, `entity.date`, `ext.marketId`, `ext.amount`, `ext.shares`, `ext.probBefore`, `ext.probAfter`, `ext.isRedemption`
- Reference: https://onekey.dev/docs/api/manifold/user_bets.md

### manifold.user_by_id

Manifold user profile by id.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/manifold/user_by_id?id=igi2zGXsfxYPgB0DJTXVJVmwCOr2` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): User id
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `author.followers`, `content.text`, `entity.url`, `content.createdAt`, `ext.balance`, `ext.creatorTraders`, `ext.isBot`
- Reference: https://onekey.dev/docs/api/manifold/user_by_id.md

### manifold.users

Manifold users (most recently created first).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/manifold/users?limit=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `limit` (string, optional, default 20): Rows (1-100)
- Fields returned: `author.id`, `author.username`, `author.displayName`, `author.url`, `author.avatarUrl`, `author.followers`, `content.text`, `entity.url`, `content.createdAt`, `ext.balance`, `ext.creatorTraders`, `ext.isBot`
- Reference: https://onekey.dev/docs/api/manifold/users.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/manifold/group?slug=technology" \
  -H "x-api-key: YOUR_API_KEY"
```