x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/145

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/accounts/145` appears to be one of many endpoints offered by the platform, which advertises a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request.

The endpoint is live and returns a valid x402 challenge on POST requests. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum amount of 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The payment scheme is "exact," meaning each call requires a one-time micropayment. There are no API keys, no rate limits, and no subscription commitments — callers simply attach an X-PAYMENT header with a valid payment proof.

The specific functionality behind `/api/v1/accounts/145` is not documented beyond the generic label "Premium API Access." The platform's docs, pricing, and API pages all render only a wallet-connect prompt with no additional technical documentation, OpenAPI schema, or example request/response payloads. Without further documentation it is unclear what data or service this particular accounts endpoint returns. The broader platform lists endpoints for metrics, reports, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, conversion, and generation, but none of these map directly to the `/api/v1/accounts/145` path.

Capabilities

x402-paymentusdc-micropaymentbase-networkpay-per-requestno-api-keypost-method

Use cases

  • —Accessing premium data or services with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to a multi-category API platform

Fit

Best for

  • —Developers or agents wanting zero-commitment, pay-per-call API access
  • —x402-compatible clients on the Base network
  • —Use cases requiring no rate limits and instant access without signup

Not for

  • —Users needing detailed API documentation or guaranteed SLAs before purchasing
  • —Applications requiring non-crypto payment methods
  • —Callers who need to know the exact response schema before paying

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/145 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/145
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no OpenAPI schema, no example requests or responses, and the specific purpose of /api/v1/accounts/145 is undocumented. The docs/pricing/API pages render only a wallet-connect prompt with no useful content.

Warnings

  • —The specific functionality of /api/v1/accounts/145 is not documented — 'Premium API Access' is a generic label
  • —All documentation pages (docs, pricing, API, README) render only a wallet-connect prompt with no technical content
  • —No OpenAPI spec, no request/response schema, and no example payloads are available
  • —Cannot verify what data or service is actually returned after payment

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:22:01Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

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