Pay-per-call medical records API on Base, settled in USDC via x402.
What it does
This endpoint at lowpaymentfee.com provides access to a medical records resource (record ID 38) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (USD Coin) at a cost of $0.02 per request (20,000 base units with 6 decimals).
The endpoint is part of a broader platform (lowpaymentfee.com) that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. The platform uses x402 version 1 with the "exact" payment scheme, paying to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a maximum timeout of 300 seconds.
Important caveat: this specific endpoint serves medical records, which is a regulated data category. No documentation exists describing the data schema, compliance posture (HIPAA, GDPR), or what fields are returned. The crawled site pages beyond the landing page returned only "Connect wallet" prompts with no additional documentation. Prospective consumers should exercise caution and verify the legitimacy and compliance of any medical data served through this endpoint.
Capabilities
Use cases
- —Retrieving medical record data for record ID 38 via a single paid API call
- —Integrating pay-per-call medical data access into agent workflows
- —Demonstrating x402 payment protocol usage for data retrieval
Fit
Best for
- —Developers experimenting with x402 payment protocol integrations
- —Agents needing on-demand medical record access without subscription commitments
- —Projects requiring USDC-settled API calls on Base network
Not for
- —Production healthcare applications requiring HIPAA-compliant data handling (compliance status unknown)
- —Bulk medical data retrieval (single-record endpoint, $0.02 per call)
- —Users who need detailed API documentation or response schema before integration
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/medical/records/38 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request/response schemas, no OpenAPI spec, no examples, and the medical records domain raises serious compliance concerns with no information provided about data legitimacy or regulatory compliance.
Warnings
- —Medical/health data endpoint with no documented HIPAA or GDPR compliance posture
- —No request or response schema documentation available
- —No OpenAPI specification or usage examples provided
- —Site pages beyond landing returned only 'Connect wallet' with no docs
- —Single hardcoded record ID (38) — unclear if other records are accessible or what data is returned
- —Regulated data category: verify legal and compliance requirements before use
Citations
- —Endpoint returns 402 with x402 version 1 challenge, exact scheme, USDC on Base network, maxAmountRequired 20000https://lowpaymentfee.com/api/v1/medical/records/38
- —Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/medical/records/38