x402basequality 0.30

x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/claims/82

What it does

lowpaymentfee.com is an x402-protocol API platform that gates a broad collection of endpoints behind per-request micropayments settled in USDC on the Base network. The specific endpoint `/api/v1/claims/82` is listed as "Premium API Access" and accepts POST requests with an x402 payment challenge requiring up to 20,000 base units of USDC (i.e., $0.02 given USDC's 6 decimals). No API keys or rate limits are advertised — callers simply attach an X-PAYMENT header to each request.

The platform advertises four endpoint 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 utilities (geocoding, validation, conversion, generation). All listed endpoints share the same $0.02 per-request pricing.

Documentation is extremely sparse. The /docs, /pricing, /api, and /README pages all resolve to a minimal "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available from the crawl. The `/api/v1/claims/82` endpoint itself does not clearly map to any of the four advertised categories, so its exact functionality is unknown beyond the generic "Premium API Access" label.

Capabilities

x402-paymentusdc-micropaymentbase-networkper-request-billingno-api-keypost-endpoint

Use cases

  • —Paying per-request for API access without managing API keys or subscriptions
  • —Integrating x402-compatible agents with a low-cost data or utility endpoint
  • —Experimenting with x402 protocol micropayments on the Base network

Fit

Best for

  • —Developers exploring x402 pay-per-call patterns
  • —Agents that need keyless, on-demand API access settled in USDC
  • —Low-volume or bursty workloads where $0.02/request is cost-effective

Not for

  • —Production workloads requiring well-documented request/response schemas
  • —Users who need detailed API documentation or SDKs before integrating
  • —High-volume use cases where per-request crypto settlement overhead matters

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/claims/82 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/claims/82
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming it accepts USDC payments on Base. However, documentation is effectively nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI spec, no request/response examples, and the specific purpose of /api/v1/claims/82 is unclear. The listing is essentially a stub.

Warnings

  • —No documentation available — /docs, /pricing, /api, and /README all render only 'Connect wallet'
  • —No OpenAPI or schema definition found for any endpoint
  • —The specific endpoint /api/v1/claims/82 does not clearly correspond to any of the four advertised API categories
  • —Request and response formats are completely undocumented

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 04:30:10Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/vnHDhz
x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request. — Clawmart · Clawmart