x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform are pay-per-request with no API keys, no rate limits, and settlement on the Base network using USDC.

The specific endpoint `/api/v1/stripe/subscriptions/177` is labeled "Premium API Access" and returns a valid x402 challenge with a maximum amount of 20,000 base units of USDC (0x8335… on Base), which equals $0.02 per request (USDC uses 6 decimals). The endpoint accepts HTTP POST requests and returns `application/json` responses. Payment is made via the x402 exact scheme, settling to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout.

Notably, the endpoint path references "stripe/subscriptions" which is somewhat unusual for an x402-settled API — the actual functionality behind this specific endpoint is not documented beyond the label "Premium API Access." The platform's docs, pricing, and API pages all render only a wallet-connect prompt with no additional documentation. Without further details on what data or service this endpoint actually returns, consumers should treat this as a minimally documented offering.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-responsehttp-post

Use cases

  • Programmatic access to a premium API service paid per-call in USDC on Base
  • Agent-driven workflows that need keyless, pay-as-you-go API access
  • Testing x402 payment protocol integrations against a live endpoint

Fit

Best for

  • Developers experimenting with x402 payment flows
  • Agents that can settle USDC on Base for per-request API access
  • Users who want no-signup, no-API-key access to hosted services

Not for

  • Users who need detailed documentation or guaranteed SLAs before purchasing
  • Anyone without a Base-network USDC wallet or x402-compatible client

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/177 \
  -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 and returns a valid x402 challenge, but there is essentially no documentation about what the endpoint actually does or returns. The docs, pricing, and API pages all render only a wallet-connect prompt. The endpoint path ('stripe/subscriptions/177') is opaque, and no input/output schema is provided beyond the basic x402 outputSchema stub. This is effectively a stub listing.

Warnings

  • No documentation available — docs, pricing, and API pages only show a wallet-connect prompt with no content.
  • The actual functionality behind 'Premium API Access' at this specific path is unknown; no request/response schema is documented.
  • The endpoint path references 'stripe/subscriptions' which is ambiguous in an x402 context — unclear what service is provided.
  • No OpenAPI spec, no examples, and no detailed description of inputs or outputs.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:08:13Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

x402-gated premium API access on Base, paid per-call in USDC. — Clawmart · Clawmart