x402basequality 0.25

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/charges/189

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall. 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 follow the same x402 payment model: callers pay per request in USDC on the Base network with no API keys, no rate limits, and no commitments required.

The specific endpoint `/api/v1/stripe/charges/189` is labeled "Premium API Access" in the x402 challenge. The maximum amount required per call 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 x402 challenge version is 1, using the "exact" payment scheme, with a maximum 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 spec, no request/response schema documentation, and no description of what "Premium API Access" actually returns or what parameters it accepts. The endpoint name references "stripe/charges" which may relate to Stripe payment processing, but this is speculative. Without documentation or example responses, the actual functionality of this specific endpoint remains unclear.

Capabilities

x402-paymentusdc-baseper-call-pricingpost-endpointjson-response

Use cases

  • —Programmatic per-request API access without API key management
  • —Agent-driven workflows that need pay-as-you-go endpoints settled in USDC on Base
  • —Testing x402 payment protocol integrations

Fit

Best for

  • —Developers exploring x402 payment protocol
  • —Agents needing keyless, pay-per-call API access
  • —Users who want to avoid subscription commitments

Not for

  • —Users who need detailed API documentation before integrating
  • —High-volume use cases where per-call pricing may add up
  • —Anyone needing clarity on what the endpoint actually returns

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/189
# Returns 402 with x402 payment challenge.
# Include X-PAYMENT header with a valid x402 payment proof to access.

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/charges/189
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is zero documentation on what the endpoint actually does, what parameters it accepts, or what it returns. The name 'Premium API Access' and path 'stripe/charges/189' are opaque. No OpenAPI spec, no examples, and all doc pages are empty.

Warnings

  • —No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet'
  • —No OpenAPI or schema describing request parameters or response format
  • —The actual functionality of this specific endpoint ('stripe/charges/189') is completely undocumented
  • —The endpoint path suggests Stripe payment processing but this is unconfirmed

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:32:12Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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