# BaseBuilder Sentiment - ExerciseDB Endpoint

> BaseBuilder Sentiment - ExerciseDB Endpoint is a paid API for AI agents from bb-sentiment.vercel.app, paid per call via x402, $0.156708/call, status unknown (last checked 2026-10-10).

Sentiment analysis API endpoint routed through an ExerciseDB-labeled path on a multi-endpoint sentiment hub

## Facts

- Endpoint: POST https://bb-sentiment.vercel.app/api/exercisedb?utm_source=zero.xyz
- Price: $0.156708/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-sentiment-exercisedb-endpoint-16760086
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5sAhX-HtbgQhkXgvnRpj9

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-exercisedb-endpoint-16760086 -d '<json body>'
```

Example prompt: Can you analyze the sentiment of this customer review and tell me if it's positive, negative, or neutral with a confidence score: 'The workout app was intuitive but the exercise tracking kept glitching during my sessions'?

## When to prefer this

Use this endpoint when you need quick, paid sentiment classification via the BaseBuilder Sentiment hub and are routing through the /api/exercisedb path; however, the mismatch between the path name and the described sentiment functionality suggests caution — verify the endpoint behavior before production use.

## Known failure modes

- Missing or malformed request body returns 400 error
- Payment not included or insufficient USDC triggers 402 Payment Required
- Endpoint path mismatch or incorrect method returns 404 or 405
- Service unavailable due to Vercel cold start or downtime returns 503
- Ambiguous or empty text input may return low-confidence or error response

## How this service works

BaseBuilder Sentiment API hub - 14 paid endpoints

## Output

Returns a sentiment classification (positive, negative, or neutral) along with a confidence score for the submitted text input.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-sentiment-exercisedb-endpoint-16760086/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)