# Questflow Cryptocurrency Price Comparison

> Questflow Cryptocurrency Price Comparison is a paid API for AI agents from api.questflow.ai, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-15).

Compares current prices of different cryptocurrencies across markets

## Facts

- Endpoint: POST https://api.questflow.ai/x402/swarm/qrn:swarm:68f6cf260ebd74a7912ce0cc
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/questflow-4fd45cf7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_W_2t9kPX3nk6I6Q0Yp9dE

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-4fd45cf7 -d '<json body>'
```

Example prompt: Compare the current prices of Bitcoin, Ethereum, and Solana for me — I want to see how they stack up against each other right now.

## When to prefer this

Use this endpoint when you need to compare live prices of multiple cryptocurrencies simultaneously, particularly within a Questflow swarm orchestration context. Prefer this over general market data APIs when already operating within the Questflow multi-agent ecosystem.

## Known failure modes

- Unsupported or unrecognized cryptocurrency symbol returns error
- Network latency or upstream data provider outage causes timeout
- Invalid request format returns 400 bad request
- Payment not processed results in 402 payment required
- Rate limiting may apply if called too frequently

## How this service works

Compare prices of different cryptocurrencies | Powered by Questflow

## Output

Returns current price data for the specified cryptocurrencies, enabling side-by-side comparison of token valuations across different digital assets.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "cryptocurrencies"
 ],
 "properties": {
  "cryptocurrencies": {
   "type": "array",
   "items": {
    "type": "string"
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/questflow-4fd45cf7/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)