---
title: "Pre Trade Sanity Check"
method: POST
path: "/v1/checks/pre-trade"
---

# Pre Trade Sanity Check

`POST /v1/checks/pre-trade`

## Request

- Base URL: `https://mcp.blocksize.info` (the document declares no server; this is the origin it was published from)
- URL: `https://mcp.blocksize.info/v1/checks/pre-trade`
- Auth: none declared

Run a read-only pre-trade sanity check. Cost: 100 credits or $0.10 USDC.

## Request body

- object

## Response `200`

Successful Response

- object

## Other responses

- `402`: Payment Required. Returns a PAYMENT-REQUIRED header with an x402 PaymentRequired challenge.
- `422`: Validation Error

---

[API](https://skmtc.dev/blocksize/apis/blocksize-agentic-market-intelligence.md) · [All operations](https://skmtc.dev/blocksize/apis/blocksize-agentic-market-intelligence/llms.txt) · [OpenAPI document](https://skmtc.dev/blocksize/apis/blocksize-agentic-market-intelligence/revisions/edbeba9ca72f?raw)