x402basequality 0.30

Pay-per-call transaction receipt endpoint on Base via x402, settled in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/transactions/355/receipt

What it does

This x402-enabled endpoint at lowpaymentfee.com provides a transaction receipt retrieval service. The specific resource `/api/v1/transactions/355/receipt` returns a receipt for transaction 355 in JSON format, payable per-call with USDC on the Base network. The x402 challenge confirms the endpoint is live, accepting POST requests with an exact payment scheme.

The broader lowpaymentfee.com platform advertises a suite of pay-per-request APIs spanning 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 utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request, settled in USDC on Base, with no API keys, no rate limits, and no minimum commitments.

However, documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed documentation for any endpoint. The actual behavior and response format of this specific receipt endpoint—or any of the other advertised endpoints—cannot be verified from the available material.

Capabilities

x402-paymentusdc-settlementbase-networktransaction-receiptpay-per-requestno-api-keyjson-response

Use cases

  • —Retrieving transaction receipts programmatically with per-call USDC payment
  • —Integrating pay-per-use API access into agent workflows without API key management
  • —Accessing financial or transactional data on a zero-commitment basis

Fit

Best for

  • —Agents or applications needing keyless, pay-per-call API access
  • —Developers experimenting with x402 protocol integrations
  • —Use cases requiring low-friction micropayment-gated endpoints

Not for

  • —Production workloads requiring well-documented, schema-validated APIs
  • —Users who need detailed endpoint documentation or guaranteed SLAs
  • —High-volume use cases where per-request pricing may not be cost-effective

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/transactions/355/receipt
# Returns 402 with x402 payment challenge; attach X-PAYMENT header with USDC payment proof to access.

Endpoint

URLhttps://lowpaymentfee.com/api/v1/transactions/355/receipt
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, and all documentation pages are empty stubs showing only 'Connect wallet'. The actual functionality and response format cannot be verified.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
  • —No OpenAPI or output schema provided beyond basic HTTP method info
  • —Response format and actual data returned by this endpoint are unknown
  • —The platform advertises many endpoints but none have verifiable documentation

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 13:23:44Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/msTaL8
Pay-per-call transaction receipt endpoint on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart