# BaseBuilder Sentiment Currency Conversion

> BaseBuilder Sentiment Currency Conversion is a paid API for AI agents from bb-sentiment.vercel.app, paid per call via x402, $0.1137/call, status unknown (last checked 2026-10-29).

Converts an amount from one currency to another, returning the converted value at current exchange rates

## Facts

- Endpoint: POST https://bb-sentiment.vercel.app/api/currency-conversion?utm_source=zero.xyz
- Price: $0.1137/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-sentiment-currency-conversion-93ba6354
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_WC5PL-1eLfwLr5ESsTV-f

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-sentiment-currency-conversion-93ba6354 -d '<json body>'
```

Example prompt: Can you convert 250 US dollars to Japanese yen and tell me the current exchange rate?

## When to prefer this

Use this endpoint when you need a straightforward currency conversion with a live exchange rate and are already operating within the BaseBuilder Sentiment API ecosystem or need x402 micropayment-compatible currency conversion

## Known failure modes

- Unsupported or invalid currency code returns an error
- Amount of zero or negative value may return validation error
- Network timeout or upstream exchange rate provider unavailable
- Missing required fields returns 400 bad request
- Payment not made returns 402 Payment Required

## How this service works

BaseBuilder Sentiment API hub - 14 paid endpoints

## Output

Returns the converted monetary amount in the target currency along with the applicable exchange rate used for the conversion

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-sentiment-currency-conversion-93ba6354/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bb-sentiment.vercel.app](https://www.zero.xyz/host/bb-sentiment.vercel.app/llms.txt)