x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/benefits/16

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall on the Base network. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform share a uniform pricing model of $0.02 per request, settled in USDC on Base with no API keys, no rate limits, and no commitments required.

The specific endpoint `/api/v1/benefits/16` 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 charges a maximum of 20,000 base units of USDC (i.e., $0.02) per call. Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on the Base network, and the response MIME type is `application/json`.

Because the crawled documentation pages (docs, pricing, README, api) all returned only a "Connect wallet" prompt with no further content, the actual request/response schema and the precise nature of the "benefits" resource remain unknown. The platform's landing page confirms the general pricing and lists other endpoints but does not describe this specific one in detail. Agents should treat this as an opaque JSON endpoint until further documentation becomes available.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-responseno-api-keypost-method

Use cases

  • —Accessing a premium data or service endpoint with per-request USDC micropayments
  • —Integrating pay-as-you-go API calls into an agent workflow without managing API keys
  • —Testing x402 payment flows on the Base network

Fit

Best for

  • —Agents or developers wanting keyless, pay-per-call API access
  • —x402-compatible wallets and agent frameworks on Base
  • —Low-commitment, no-subscription API consumption

Not for

  • —Users who need detailed documentation or well-defined schemas before integrating
  • —High-volume use cases where per-request pricing may add up without bulk discounts
  • —Users without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/16 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/16
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live via a valid x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no request/response schema, and the purpose of the 'benefits/16' resource is entirely undocumented. All docs pages returned only 'Connect wallet' with no content.

Warnings

  • —The exact functionality of /api/v1/benefits/16 ('Premium API Access') is undocumented — the request body and response schema are unknown.
  • —All documentation pages (docs, pricing, README, api) returned only a 'Connect wallet' prompt with no usable content.
  • —No OpenAPI spec, no AI plugin manifest, and no agents.txt were found.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:21:04Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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