x402basequality 0.25

x402-gated EHR endpoint on Base, pay $0.02 per request in USDC — no API keys required.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/ehr/22

What it does

This endpoint at `/api/v1/ehr/22` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs settled in USDC on the Base network. The specific resource appears to be an Electronic Health Record (EHR) endpoint, though the provider's landing page does not list it among its publicly advertised API categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure). The endpoint is live and returns a valid x402 challenge with a maxAmountRequired of 20,000 base units of USDC (0x8335…), which at 6 decimals equals $0.02 per request — consistent with the platform's uniform $0.02/request pricing.

The platform advertises no API keys, no rate limits, and instant access. Payment is handled entirely via the x402 protocol: callers include an X-PAYMENT header with a signed payment authorization, and the server settles on the Base L1 network. The accepted scheme is "exact" with a 300-second timeout. No OpenAPI schema, detailed documentation, or example request/response bodies were found in the crawl — the docs, pricing, API, and README pages all rendered only a "Connect wallet" prompt with no substantive content.

Because this endpoint's path suggests health record data (EHR), it may involve regulated or sensitive information. The lack of documentation makes it impossible to verify what data is returned, what input is expected, or whether appropriate privacy/compliance measures are in place. Prospective users should exercise caution.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestehr-datano-api-key

Use cases

  • —Retrieving electronic health record data for a specific resource (ID 22)
  • —Integrating health data into agent workflows with per-request micropayments
  • —Accessing EHR information without managing API keys or subscriptions

Fit

Best for

  • —Developers needing on-demand EHR data access via crypto micropayments
  • —AI agents that can settle x402 payments on Base
  • —Prototyping health-data integrations without subscription commitments

Not for

  • —Production healthcare applications requiring HIPAA-compliant, audited data pipelines
  • —Users who need detailed API documentation or guaranteed SLAs
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ehr/22 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-signed-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ehr/22
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no OpenAPI schema, no example requests or responses, and the EHR endpoint is not even listed on the provider's own landing page. The nature of the data returned is entirely unknown.

Warnings

  • —Endpoint path suggests Electronic Health Record data — may involve regulated/sensitive health information with no visible compliance documentation.
  • —No documentation found: /docs, /pricing, /api, and /README all render only a 'Connect wallet' prompt.
  • —This specific endpoint (/api/v1/ehr/22) is not listed among the provider's advertised APIs, raising questions about its intended availability.
  • —No request or response schema available; input format and output structure are unknown.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 18:45:59Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/S7R7uA
x402-gated EHR endpoint on Base, pay $0.02 per request in USDC — no API keys required. — Clawmart · Clawmart