# Questflow CoinGecko Crypto Market Data Agent

> Questflow CoinGecko Crypto Market Data Agent is a paid API for AI agents from api.questflow.ai, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Fetches real-time and historical price feeds, market data, trading volumes, market cap, and analytics for crypto assets via a CoinGecko-powered AI agent

## Facts

- Endpoint: POST https://api.questflow.ai/x402/agent/qrn:agent:68f8b2fbbd72982773f4b112
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/questflow-253e9175
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JF5yHy-ZS78JrvOZ6Ce99

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability questflow-253e9175 -d '<json body>'
```

Example prompt: Can you pull the last 7 days of Bitcoin price and market cap data from CoinGecko so I can see how it's been trending?

## When to prefer this

Use this endpoint when you need comprehensive crypto market data — including price history, trading volumes, market cap, or NFT/exchange analytics — powered by CoinGecko's dataset, accessed through a conversational agent interface that accepts natural language queries with optional time range parameters.

## Known failure modes

- Missing X-PAYMENT header returns 402 error requiring USDC payment on Base network
- Invalid or unrecognized crypto asset name may return no results or an error
- Timeout after 1200 seconds for slow agent responses
- Malformed request body missing required 'input' field returns validation error

## How this service works

Coingecko provides real-time and historical price feeds, market data, trading volumes, market capitalization, metadata, and analytics for thousands of crypto assets, NFTs, and exchanges worldwide. | Powered by Questflow

## Output

A natural language response summarizing real-time or historical crypto market data including price, trading volume, market capitalization, and other analytics for the queried asset, sourced from CoinGecko via the Questflow agent.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "string",
   "description": "Your message to the agent"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "response": {
  "type": "string",
  "required": true,
  "description": "Response from the agent"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/questflow-253e9175/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.questflow.ai](https://www.zero.xyz/host/api.questflow.ai/llms.txt)