x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/benefits/72

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 pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform share a uniform $0.02-per-request pricing model, settled in USDC on the Base network.

The specific endpoint `/api/v1/benefits/72` is labeled "Premium API Access" but its exact functionality is not documented beyond that title. The x402 challenge confirms it is live, accepts POST requests, and requires payment of up to 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) to the address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The response MIME type is `application/json`. No API keys or rate limits are advertised; access is gated purely by the x402 micropayment.

The platform's landing page lists sibling endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no additional technical detail, so the precise input/output schema for this endpoint is unknown.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keypremium-api-access

Use cases

  • —Accessing a premium API resource with a single USDC micropayment on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to undocumented premium content

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 subscription billing

Not for

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

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/72 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/72
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but the actual functionality behind "Premium API Access" is entirely undocumented. No input/output schema, no examples, and all doc pages return only a wallet-connect prompt. The listing is effectively a stub with confirmed liveness and pricing.

Warnings

  • —The exact functionality of /api/v1/benefits/72 ('Premium API Access') is not documented anywhere in the crawled material.
  • —All documentation, pricing, API, and README pages returned only 'Connect wallet' with no technical content.
  • —No OpenAPI spec, input schema, or response examples are available.
  • —The platform lists many endpoints but none appear to have public documentation beyond titles and prices.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 17:49:03Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/VVtC6s
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart