# InterPro Protein Family/Domain Entry Search

> InterPro Protein Family/Domain Entry 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 InterPro protein family and domain entries by keyword, returning matching entries as JSON.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/interpro-entry-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/interpro-protein-family-domain-entry-search-d9356846
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_k7aoFkpvWk13uEGDPUX52

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 interpro-protein-family-domain-entry-search-d9356846 -d '<json body>'
```

Example prompt: Search InterPro for protein domain entries related to 'kinase' and show me the matching family and domain records.

## When to prefer this

Use this endpoint when you need to search the InterPro protein domain/family database by keyword and retrieve structured biological classification data; ideal for bioinformatics workflows requiring protein function, domain, or family lookups against the InterPro knowledgebase.

## Known failure modes

- Empty result set when keyword matches no InterPro entries
- Invalid or missing query parameter returns error or empty response
- Upstream InterPro API unavailability causing timeout or 5xx error
- Overly broad keyword returning too many results to be useful
- Rate limiting or payment failure due to x402 protocol issues

## How this service works

Search InterPro protein family/domain entries by keyword (param q, e.g. kinase). Query: ?q= Returns JSON.

## Output

A JSON array or object containing matching InterPro entries (protein families and domains) that correspond to the keyword query, including entry identifiers, names, types, and associated metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/interpro-protein-family-domain-entry-search-d9356846/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)