# BaseBuilder Crypto Binance43 API

> BaseBuilder Crypto Binance43 API is a paid API for AI agents from bb-crypto.vercel.app, paid per call via x402, $0.122097/call, status unknown (last checked 2026-10-22).

Provides a paid crypto data endpoint (endpoint #43 of 26+) on the BaseBuilder Crypto hub, likely returning Binance market data or trading information

## Facts

- Endpoint: POST https://bb-crypto.vercel.app/api/binance43?utm_source=zero.xyz
- Price: $0.122097/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-crypto-binance43-api-b22839a7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iGU2c7VAk3aVzjuEyt417

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 basebuilder-crypto-binance43-api-b22839a7 -d '<json body>'
```

Example prompt: Can you pull the latest Binance market data for BTC/USDT — I need the current price and trading metrics from the BaseBuilder Crypto hub?

## When to prefer this

Use this endpoint when you need paid, on-demand Binance cryptocurrency market data accessed via x402 micropayment protocol, particularly within the BaseBuilder Crypto ecosystem which aggregates 26+ crypto endpoints.

## Known failure modes

- Missing or invalid POST body parameters returns error
- Payment of $0.122097 USDC not provided via x402 protocol results in 402 Payment Required
- Invalid trading pair or symbol returns no data or error response
- Endpoint may be rate-limited or unavailable if Binance upstream is down
- Unknown endpoint behavior due to lack of detailed schema documentation

## How this service works

BaseBuilder Crypto API hub - 26 paid endpoints

## Output

Returns Binance-sourced cryptocurrency market data such as price, volume, or trading pair metrics, depending on the specific parameters posted to this endpoint.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-crypto-binance43-api-b22839a7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bb-crypto.vercel.app](https://www.zero.xyz/host/bb-crypto.vercel.app/llms.txt)