x402basequality 0.30

x402-gated premium API access on Base, paid per-call in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall, settling payments in USDC on the Base network. The specific endpoint `/api/v1/stripe/charges/76` is one of many offered by the platform, which advertises categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform share a uniform $0.02 per request pricing model with no API keys, no rate limits, and instant access.

The x402 challenge confirms the endpoint is live, accepting POST requests and requiring an exact payment of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a maximum timeout of 300 seconds. The response MIME type is application/json.

However, the specific functionality of the `/api/v1/stripe/charges/76` endpoint is unclear. The URL path suggests it may relate to Stripe charge operations, but no documentation, request schema, or response schema is available beyond the generic "Premium API Access" label. The platform's docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. Without further documentation, the exact input parameters and output format for this particular endpoint remain unknown.

Capabilities

x402-paymentusdc-settlementbase-networkper-call-pricingjson-responseno-api-keypost-method

Use cases

  • Paying per-call for API access without needing API keys or subscriptions
  • Integrating x402 payment-gated endpoints into agent workflows
  • Accessing premium data or services with USDC micropayments on Base

Fit

Best for

  • Agents or developers wanting keyless, pay-per-use API access
  • Crypto-native workflows that can settle USDC on Base
  • Low-commitment API consumption without rate limits or subscriptions

Not for

  • Users who need detailed API documentation or guaranteed SLAs before integrating
  • Use cases requiring non-crypto payment methods
  • Anyone needing to understand the exact input/output schema before calling

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/76 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 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, no request/response schema, and no explanation of what this specific endpoint actually does. The docs pages are empty beyond a wallet connect prompt. The endpoint path ('stripe/charges/76') is opaque and unexplained.

Warnings

  • No documentation available — all doc pages render only 'Connect wallet' with no content
  • The specific functionality of /api/v1/stripe/charges/76 is unknown; the 'Premium API Access' label is generic
  • No request or response schema is provided
  • The endpoint path references 'stripe/charges' but no Stripe integration details are documented

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:35:00Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access