---
title: "Ask a question about a token, or check a claim"
method: POST
path: "/ask"
tags: ["Decide"]
---

# Ask a question about a token, or check a claim

`POST /ask`

## Request

- Base URL: `https://coingraph.ai/api/v1`
- URL: `https://coingraph.ai/api/v1/ask`
- Auth: none declared

A question gets a cited answer; a claim gets supported / contradicted / unknown with evidence. **Premium tier:** 10 free calls a day, then 5 tADA per call via x402 on Cardano preprod (402 Payment Required → pay → retry with PAYMENT-SIGNATURE); design partners send an API key instead.

## Request body

- object
  - `token` string, required
  - `question` string
  - `claim` string

## Response `201`

Answer

- object
  - `object` 'answer', required
  - `id` string, nullable
  - `as_of` string, date-time, required
  - `data` Answer, required
  - `sources` Source[], required
    - `provider` string
    - `endpoint` string
    - `as_of` string, date-time, nullable

## Other responses

- `400`: Error
- `402`: Error
- `404`: Error

---

[API](https://skmtc.dev/coingraph/apis/coingraph-api.md) · [All operations](https://skmtc.dev/coingraph/apis/coingraph-api/llms.txt) · [OpenAPI document](https://skmtc.dev/coingraph/apis/coingraph-api/revisions/55d33f7ec7a8?raw)