# UniProt Controlled-Vocabulary Keywords Search

> UniProt Controlled-Vocabulary Keywords Search is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Searches UniProt controlled-vocabulary keywords by a query term and returns matching keyword entries as JSON.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/uniprot-keywords-search
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/uniprot-controlled-vocabulary-keywords-search-f4901c60
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Q0vjd7K_Q-4rWXjyYCLAt

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 uniprot-controlled-vocabulary-keywords-search-f4901c60 -d '<json body>'
```

Example prompt: Search UniProt's controlled-vocabulary keywords for entries matching 'kinase' so I can find the right keyword IDs to annotate my protein records.

## When to prefer this

Choose this endpoint when you need to search UniProt's official controlled-vocabulary keyword list by a text term — ideal for bioinformatics workflows that require retrieving canonical keyword IDs or definitions for annotating protein records, or validating that a keyword exists in UniProt's official taxonomy.

## Known failure modes

- Empty or no results returned for obscure or misspelled query terms
- HTTP 402 payment required if USDC payment not attached
- Malformed query parameter returns error
- Network timeout for slow upstream UniProt API responses
- Unexpected JSON structure if UniProt keyword schema changes

## How this service works

Search UniProt controlled-vocabulary keywords by term {q}. Query: ?q= Returns JSON.

## Output

A JSON array or object of UniProt controlled-vocabulary keyword entries matching the query term, including keyword names, identifiers, and associated metadata used to annotate protein records in UniProt.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/uniprot-controlled-vocabulary-keywords-search-f4901c60/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
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