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Polymarket Wallet Positions API — mito.trade
x402
Polymarket Wallet Positions API — mito.trade is a paid API for AI agents from data.mito.trade, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns open or closed prediction-market positions for a given Ethereum wallet address on Polymarket, including block-level on-chain data.
Price / call$0.01
Success—
StatusUnknown
How this service works
Polymarket prediction-market data API (x402 paid): wallet positions, trades, holders, market trades, klines, and markets. USDC on Polygon, Base, or Arbitrum.
Output
Returns a JSON object with a positions array (each entry representing a wallet's on-chain Polymarket position), a count of positions in the current page, a total count across all pages, and the latest block number and block timestamp at which the data was snapshotted.
Example use cases
Example prompt
“Show me all the open Polymarket positions for wallet 0x1234abcd... — use the mito.trade on-chain data API and return the first 100 results.”
Technical details
Endpoint
GEThttps://data.mito.trade/x402/v1/wallet/positionsWhen to prefer
Use this endpoint when you need on-chain Polymarket position data for a specific Ethereum wallet, particularly when you want to distinguish between currently open (non-flat) positions and historically closed (flat) positions. Prefer this over Polymarket's own API when you want x402 micropayment-gated access with Polygon/Base/Arbitrum USDC settlement and block-level data provenance.
Side effects
- Missing or malformed wallet address returns a 400 or empty result
- Invalid status value (not 'open' or 'closed') causes a validation error
- Payment not completed via x402 protocol results in a 402 Payment Required response
- Wallet has no positions returns an empty positions array with count 0
- Offset beyond total results returns empty positions array
- Rate limiting or USDC payment failure blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"block_number": 0,
"block_timestamp": 0
},
"count": 0,
"total": 0,
"positions": []
}
}Tags
x402
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