x402basequality 0.30

x402-gated premium API access on Base, paid per-request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/subscriptions/101

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of several endpoints offered by the lowpaymentfee.com platform, which hosts a variety of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform are gated behind x402 payment challenges settled in USDC on the Base network.

The specific endpoint `/api/v1/stripe/subscriptions/101` is labeled "Premium API Access" in the x402 challenge. The maximum amount required is 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 USD (USDC uses 6 decimals). The endpoint accepts POST requests and returns application/json. The payment scheme is "exact" with a timeout of 300 seconds.

Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what "Premium API Access" actually returns or what input it expects. The endpoint name suggests it may relate to Stripe subscription management, but this is speculative. The platform's landing page advertises a flat $0.02/request pricing model with no API keys, no rate limits, and instant access.

Capabilities

x402-paymentusdc-settlementbase-networkper-request-billingjson-responsepost-method

Use cases

  • —Programmatic access to a premium API endpoint with per-call USDC micropayments
  • —Agent-driven API consumption without API keys or account registration
  • —Integrating x402-compatible payment flows into automated workflows

Fit

Best for

  • —Developers or agents wanting keyless, pay-per-call API access
  • —x402 protocol integrations on Base network
  • —Micropayment-gated API experimentation

Not for

  • —Users needing detailed API documentation or schemas before integrating
  • —High-volume use cases where subscription pricing would be cheaper
  • —Anyone without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/101 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/101
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, confirming it exists and is operational. However, there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the endpoint actually does beyond the label "Premium API Access." The docs pages are all blank (wallet-connect only). This is effectively a stub listing.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content
  • —No OpenAPI or input/output schema provided; request format and response structure are unknown
  • —The endpoint path '/api/v1/stripe/subscriptions/101' suggests Stripe subscription functionality but this is unconfirmed
  • —No agents.txt or robots.txt present

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:39:00Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/tVamVU
x402-gated premium API access on Base, paid per-request in USDC. — Clawmart · Clawmart