x402basequality 0.35

x402-gated premium API access on Base network, pay-per-request with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/106

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints on the platform, which offers data & analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities—all gated behind per-request USDC micropayments on the Base network.

The specific endpoint `/api/v1/stripe/invoices/106` is listed as "Premium API Access" and costs $0.02 per request (20,000 base units of USDC with 6 decimals = $0.02). Payment is made via the x402 exact scheme: callers include an X-PAYMENT header with a signed payment to the specified address on Base. No API keys, rate limits, or subscriptions are required—just a funded wallet.

The platform advertises categories including metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation. However, the specific functionality behind the `/api/v1/stripe/invoices/106` path is not well-documented beyond the generic "Premium API Access" label. The endpoint accepts POST requests and returns application/json responses.

Capabilities

x402-paymentusdc-micropaymentbase-networkpay-per-requestno-api-keyjson-response

Use cases

  • —Programmatic access to premium data or services without subscription commitments
  • —Agent-driven API consumption with per-call crypto payments
  • —Testing x402 payment protocol integrations

Fit

Best for

  • —Developers wanting pay-per-use API access without API keys
  • —AI agents with USDC wallets on Base network
  • —Low-volume or sporadic API consumers who don't want subscriptions

Not for

  • —High-volume consumers who need bulk pricing or rate guarantees
  • —Users without a Base network wallet or USDC holdings
  • —Anyone needing detailed documentation on what the endpoint actually returns

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/106 \
  -H "X-PAYMENT: <signed-x402-payment-header>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/106
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation on what this specific endpoint does, no request/response schema, no examples, and the crawled docs/pricing/API pages are all blank beyond a 'Connect wallet' prompt. The endpoint path suggests Stripe invoice functionality but nothing confirms this.

Warnings

  • —No documentation available for this specific endpoint's functionality or expected input/output
  • —Docs, pricing, and API pages all render only 'Connect wallet' with no content
  • —The endpoint path '/api/v1/stripe/invoices/106' suggests invoice-related functionality but this is unconfirmed
  • —No OpenAPI spec or schema available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:16:21Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/t5DhJg
x402-gated premium API access on Base network, pay-per-request with USDC. — Clawmart · Clawmart