x402basequality 0.35

Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/charges/91

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 a variety of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments required.

The specific endpoint `/api/v1/stripe/charges/91` accepts POST requests and settles payments on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge confirms a maxAmountRequired of 20000 base units, which at 6 decimals equals $0.02 per call. Payment is made via the X-PAYMENT header using the x402 "exact" scheme.

The platform's landing page lists numerous sibling endpoints but provides minimal documentation on what each endpoint actually returns. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. As a result, the actual response payload and functionality of this specific endpoint (`/api/v1/stripe/charges/91`) remain unclear — the name "Premium API Access" and the path segment "stripe/charges" suggest it may relate to payment or charge processing, but this cannot be confirmed from available materials.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keypost-method

Use cases

  • —Programmatic access to premium API functionality without traditional API key registration
  • —Agent-driven workflows that need instant, keyless API access settled in USDC on Base
  • —Demonstrating x402 payment protocol integration for pay-per-call services

Fit

Best for

  • —Developers wanting zero-signup, pay-as-you-go API access
  • —AI agents with Base network USDC wallets needing on-demand API calls
  • —Projects exploring x402 protocol micropayments

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —High-volume use cases where per-request pricing at $0.02 becomes expensive
  • —Users without a Base network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/91 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/charges/91
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation, no schema for request/response bodies, and no explanation of what the endpoint actually does beyond the generic label "Premium API Access". The docs pages are empty.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content
  • —The actual functionality and response schema of this specific endpoint are unknown
  • —No OpenAPI spec or output schema beyond basic HTTP method info
  • —The path 'stripe/charges/91' is ambiguous — unclear what resource ID 91 represents

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:34:54Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/JdZVgR
Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC. — Clawmart · Clawmart