---
title: "Pre-flight reality check — verify token addresses, prices, chain IDs before any on-chain action. 5 free/day per IP."
method: POST
path: "/api/pill"
tags: ["tools"]
---

# Pre-flight reality check — verify token addresses, prices, chain IDs before any on-chain action. 5 free/day per IP.

`POST /api/pill`

## Request

- Base URL: `https://x711.io`
- URL: `https://x711.io/api/pill`
- Auth: none required

## Request body

- object
  - `claim` string, required
  - `chain` 'base' | 'ethereum' | 'solana' | 'bnb' | 'arbitrum' | 'optimism' | 'polygon'
  - `claims` string[]: Batch up to 10 claims

## Response `200`

{ verified, hallucination_risk: none|low|medium|high|critical, correct_value, source }

---

[API](https://skmtc.dev/x711/apis/x711-universal-agent-gas-station-api.md) · [All operations](https://skmtc.dev/x711/apis/x711-universal-agent-gas-station-api/llms.txt) · [OpenAPI document](https://skmtc.dev/x711/apis/x711-universal-agent-gas-station-api/revisions/8ed6c60350a6?raw)