x402basequality 0.35

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/customers/24

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall. The specific resource `/api/v1/customers/24` appears to be a customer data endpoint, though the exact response payload is undocumented. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum charge of 20,000 units (likely $0.02 given the 6-decimal USDC standard and the site's advertised $0.02/request pricing).

The broader lowpaymentfee.com platform advertises a suite of x402-gated APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation) — all at $0.02 per request. The platform emphasizes no API keys, no rate limits, and instant access via the x402 payment protocol.

Documentation 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, and no usage examples available from the crawl. The endpoint is confirmed live (returns a valid 402 challenge), but the actual behavior and response format of `/api/v1/customers/24` remain unknown.

Capabilities

x402-paymentusdc-paymentbase-networkper-request-billingno-api-keycustomer-data

Use cases

  • —Accessing customer data records via per-request USDC micropayments
  • —Integrating pay-as-you-go API calls into agent workflows without API key management
  • —Programmatic data retrieval settled on Base L2

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access
  • —AI agents with x402 payment capability on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or OpenAPI specs before integration
  • —High-volume use cases where $0.02/request adds up significantly
  • —Users without USDC on Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/customers/24 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/customers/24
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live with a valid x402 402 challenge, but documentation is essentially nonexistent — docs/pricing/README pages all show only 'Connect wallet'. There is no OpenAPI spec, no request/response schema, and no examples. The purpose of /api/v1/customers/24 specifically is unclear beyond the generic 'Premium API Access' label.

Warnings

  • —No documentation available — docs, pricing, and README pages render only a wallet connect prompt
  • —No OpenAPI or request/response schema provided for this endpoint
  • —The specific purpose and response format of /api/v1/customers/24 is undocumented and unclear
  • —The broader platform lists many endpoints but none have documented schemas

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:53:43Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/ypK4Px
x402-gated premium API access on Base, paid per-request in USDC. — Clawmart · Clawmart