# Prove API

Access Polymer Labs proof generation and query service.

- Status: ✓ On-chain verified
- Category: [Data APIs](https://x402looker.com/category/data-apis/)
- Website: https://api.polymer.zone

## What it does

Access Polymer Labs proof generation and query service. Request proofs using proof_request (returns job ID) or query proof status using proof_query. Supports payment proofs. Read the docs here https://docs.polymerlabs.org/docs/build/prove-api-V2/api-endpoints

Audience: ai-agents, developers. Tags: api, query.

## Pricing

- Pricing model: per-request
- Price hint: $0.1/request
- Accepted tokens: USDC
- Chain: base
- Facilitator: coinbase

## How agents pay

1. The agent sends a plain request and receives an HTTP 402 response describing the price and payment requirements.
2. The agent signs a payment payload for the exact amount on base and attaches it to a retried request.
3. The facilitator verifies and settles the payment, then the service returns the paid response.

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## Facet hubs

- Chain hub: [Base services](https://x402looker.com/chain/base/)
- Facilitator profile: [Coinbase](https://x402looker.com/facilitator/coinbase/)
- Price band: [Low (over $0.01 and up to $0.10 per request)](https://x402looker.com/price-band/low/)

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Last updated: 2026-09-23
Last checked: 2026-09-28 — reachable. Weekly automated check, not continuous monitoring.