x402basequality 0.25

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/147

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 no commitments required.

The specific endpoint `/api/v1/stripe/subscriptions/147` is labeled "Premium API Access" and costs up to $0.02 per request (20,000 base units of USDC on Base, where USDC uses 6 decimals). Payment is settled on the Base network using USDC (contract `0x8335...2913`) via the x402 exact payment scheme. The endpoint accepts POST requests and returns `application/json` responses.

Documentation on the platform is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional 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 is confirmed live (returns a valid 402 challenge), but the actual functionality behind the paywall is unknown from available materials.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyjson-responsepost-method

Use cases

  • —Accessing premium API functionality with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API key management
  • —Programmatic access to gated services using x402 payment protocol

Fit

Best for

  • —Developers or agents wanting keyless, pay-as-you-go API access
  • —x402-compatible agents that can settle USDC payments on Base
  • —Users who prefer no-commitment, no-subscription API billing

Not for

  • —Users who need detailed API documentation or schemas before purchasing
  • —Anyone without a Base-compatible USDC wallet
  • —High-volume consumers who need bulk pricing or rate guarantees

Quick start

# The endpoint requires an X-PAYMENT header with a valid x402 payment proof.
# Using curl (you need an x402 client to generate the payment header):
curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/147 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/147
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is confirmed live via a valid 402 challenge, but there is no documentation, no OpenAPI schema, no request/response examples, and no description of what the endpoint actually does beyond the label 'Premium API Access'. 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; actual functionality behind the paywall is unknown
  • —The endpoint path includes 'stripe/subscriptions' which may imply subscription management, but this is unconfirmed
  • —Cannot verify what data or service is returned after payment

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:52:56Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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