# BlockRun Exchange Markets Catalog

> BlockRun Exchange Markets Catalog is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.0075/call, status unknown (last checked 2026-10-20).

Returns a catalog of trading pairs available across cryptocurrency exchanges.

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/surf/exchange/markets?utm_source=zero.xyz
- Price: $0.0075/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-exchange-markets-catalog-a36e731f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8CYSQbiY8xBpQLP6AIwt7

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 blockrun-exchange-markets-catalog-a36e731f
```

Example prompt: Can you pull up the full catalog of trading pairs available across crypto exchanges from BlockRun?

## When to prefer this

Use this endpoint when you need a comprehensive catalog of exchange trading pairs or market listings, especially within a pay-per-call crypto-native workflow settled in USDC on Base via x402. Prefer this over scraping exchange websites or using heavyweight brokerage APIs when you need lightweight, on-demand market discovery.

## Known failure modes

- Payment not settled — 402 response if USDC payment not included
- Service unavailable — upstream exchange data source unreachable
- Empty dataset — no markets currently listed
- Rate limit exceeded — too many calls in a short window

## How this service works

BlockRun lets AI agents use money well: pay for results, not for seats or subscriptions, and put every cent on the model or tool that actually does the job.

## Output

Returns a data object containing the catalog of exchange trading pairs and market listings available across cryptocurrency exchanges, including pair symbols and related market metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/blockrun-exchange-markets-catalog-a36e731f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from blockrun.ai](https://www.zero.xyz/host/blockrun.ai/llms.txt)