x402basequality 0.25

Pay-per-call API platform on Base network via x402 — $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/endpoint-97

What it does

lowpaymentfee.com hosts a collection of pay-per-request API endpoints accessible via the x402 payment protocol on the Base network. This specific endpoint (`/api/endpoint-97`) is listed as "Premium API Access" and accepts USDC payments on Base. The x402 challenge confirms the endpoint is live and requires a maximum of 20,000 base units of USDC (i.e., $0.02) per request. No API keys or rate limits are advertised — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The broader platform advertises endpoints across four categories: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure (geocoding, validation, conversion, generation). All listed endpoints share the same $0.02/request pricing. However, `/api/endpoint-97` does not map to any of these named endpoints, so its exact functionality is unclear — the description simply says "Premium API Access" with no further documentation.

No OpenAPI schema, request/response examples, or detailed documentation were found. The docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without knowing what this endpoint actually does or what request format it expects, callers will need to experiment or contact the provider for guidance.

Capabilities

x402-paymentusdc-basepay-per-requestno-api-keyhttp-post

Use cases

  • —Programmatic access to an unspecified premium API service via x402 micropayments
  • —Agent-driven API consumption without pre-registration or API keys
  • —Paying per request in USDC on Base for on-demand data or compute

Fit

Best for

  • —Developers or agents wanting zero-signup, pay-as-you-go API access
  • —x402-compatible agents that can settle USDC on Base
  • —Exploring micropayment-gated API services

Not for

  • —Users who need documented request/response schemas before integrating
  • —High-volume use cases where per-request pricing may add up without bulk discounts
  • —Anyone needing a specific, well-documented capability (endpoint purpose is unclear)

Quick start

curl -X POST https://lowpaymentfee.com/api/endpoint-97 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/endpoint-97
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the actual functionality of /api/endpoint-97 is completely undocumented. The docs pages are empty. This is effectively a stub listing.

Warnings

  • —Endpoint functionality is completely undocumented — 'Premium API Access' is the only description available
  • —No OpenAPI schema or request/response format documented
  • —All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no content
  • —/api/endpoint-97 does not correspond to any of the named endpoints listed on the homepage

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:01:22Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/MRYGhG
Pay-per-call API platform on Base network via x402 — $0.02/request in USDC. — Clawmart · Clawmart