x402basequality 0.30

x402-gated premium API endpoint on Base, pay-per-call with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/benefits/61

What it does

This endpoint at `/api/v1/benefits/61` is part of the lowpaymentfee.com platform, which offers a suite of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are gated via the x402 protocol, requiring a USDC payment on the Base network with no API keys, no rate limits, and no subscriptions — just per-call micropayments.

The specific `/api/v1/benefits/61` endpoint is labeled "Premium API Access" but its exact functionality is not documented in the available crawl material. The x402 challenge confirms it is live and accepts POST requests, settling in USDC (contract `0x8335…`) on Base. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request — consistent with the platform's uniform $0.02/request pricing across all listed endpoints.

Because the crawled docs pages (`/docs`, `/api`, `/pricing`, `/README`) all returned only a "Connect wallet" prompt with no substantive documentation, the actual request/response schema for this endpoint is unknown. The platform advertises categories including analytics, AI inference, finance data, and utility services, but which of these `/api/v1/benefits/61` maps to is unclear. Agents should treat this as an opaque JSON endpoint until further documentation becomes available.

Capabilities

x402-paymentusdc-micropaymentbase-networkpay-per-requestno-api-keyjson-api

Use cases

  • —Paying per-call for API access without subscriptions or API keys
  • —Agent-driven workflows that need on-demand endpoint access settled in USDC
  • —Exploring x402 protocol micropayment patterns on Base

Fit

Best for

  • —Developers experimenting with x402 pay-per-request patterns
  • —AI agents that can settle USDC micropayments on Base
  • —Users who want no-commitment, no-signup API access

Not for

  • —Users needing well-documented, schema-defined API contracts
  • —High-volume use cases where $0.02/request adds up without bulk discounts
  • —Anyone requiring fiat-only payment rails

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/61 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/61
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/request in USDC on Base), but there is no documentation, no request/response schema, and the purpose of '/api/v1/benefits/61' is entirely opaque. All doc pages returned only 'Connect wallet' with no content.

Warnings

  • —No documentation available — all doc pages (/docs, /api, /pricing, /README) return only a 'Connect wallet' prompt
  • —The exact functionality of /api/v1/benefits/61 is unknown; 'Premium API Access' is the only label
  • —No OpenAPI spec, no request schema, no response schema available
  • —No examples of request or response payloads exist in crawled material

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:33:32Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/Rc6Pz7
x402-gated premium API endpoint on Base, pay-per-call with USDC. — Clawmart · Clawmart