---
title: "Contract identity check across venues (paid, x402): do two prediction-market contracts settle on the same terms? Flags close-time, numeric, date and resolution-source divergence with a snapshot receipt"
method: GET
path: "/v1/contracts/compare"
---

# Contract identity check across venues (paid, x402): do two prediction-market contracts settle on the same terms? Flags close-time, numeric, date and resolution-source divergence with a snapshot receipt

`GET /v1/contracts/compare`

## Request

- Base URL: `https://canon.wallstreet.wiki`
- URL: `https://canon.wallstreet.wiki/v1/contracts/compare`
- Auth: none declared

## Query parameters

- `kalshi` string, required
- `polymarket` string, required

## Response `200`

ok

## Other responses

- `402`: payment required; body is x402 PaymentRequired

---

[API](https://skmtc.dev/wallstreet/apis/wallstreet-wiki-canon.md) · [All operations](https://skmtc.dev/wallstreet/apis/wallstreet-wiki-canon/llms.txt) · [OpenAPI document](https://skmtc.dev/wallstreet/apis/wallstreet-wiki-canon/revisions/3f3f0dbdfa70?raw)