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/subscriptions/14

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of several endpoints offered by the lowpaymentfee.com platform, which hosts a variety of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform use the x402 protocol to accept per-request payments in USDC on the Base network, requiring no API keys, no rate limits, and no upfront commitments.

The specific endpoint `/api/v1/stripe/subscriptions/14` is labeled "Premium API Access" in the x402 challenge. Its maximum cost is 20,000 base units of USDC (0.02 USD per request), consistent with the platform's uniform $0.02/request pricing. The endpoint accepts POST requests and returns application/json. Payment is made via the x402 exact scheme to the specified wallet address on Base.

Documentation on the platform 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 does or what parameters it accepts. The endpoint name suggests it may relate to Stripe subscription management, but this is speculative. Without documentation, the actual functionality of this endpoint remains unclear.

Capabilities

x402-paymentusdc-baseper-request-billingjson-responsepost-method

Use cases

  • —Paying per-request for API access without needing API keys or subscriptions
  • —Programmatic access to a premium endpoint settled in USDC on Base
  • —Agent-driven API consumption with x402 payment flow

Fit

Best for

  • —Developers wanting zero-signup, pay-per-call API access
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer crypto micropayments over traditional billing

Not for

  • —Anyone needing documented request/response schemas before integrating
  • —Users who cannot transact in USDC on the Base network
  • —Production use cases requiring SLA guarantees or support

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/14 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/14
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 request body it expects, or what it returns. The docs/pricing/README pages are all blank behind a wallet-connect gate. Functionality is entirely unclear.

Warnings

  • —No documentation available — all doc pages render only 'Connect wallet' with no content
  • —No OpenAPI spec or request/response schema provided
  • —The actual functionality of 'Premium API Access' at /api/v1/stripe/subscriptions/14 is unknown
  • —The endpoint path suggests Stripe subscription management but this is unconfirmed

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:52:46Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/df4vCr
x402-gated premium API access on Base, paid per-call in USDC. — Clawmart · Clawmart