x402basequality 0.30

Pay-per-call notification endpoint on Base via x402 — $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/notifications/86

What it does

This endpoint at `/api/v1/notifications/86` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs settled via the x402 protocol on the Base network using USDC. The specific endpoint is labeled "Premium API Access" and accepts POST requests. Payment is 0.02 USDC per call (maxAmountRequired of 20,000 base units with 6-decimal USDC), consistent with the platform's uniform $0.02/request pricing across all its endpoints.

The broader lowpaymentfee.com platform advertises categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. However, this particular endpoint (`/notifications/86`) is not listed on the homepage's catalog, and no documentation describes what it returns or what input it expects beyond being a POST endpoint returning `application/json`. The platform emphasizes no API keys, no rate limits, instant access, and payment exclusively via Base-network USDC.

Because there is no schema, documentation, or example for this specific notifications endpoint, its actual functionality is unclear. It may deliver notification data or trigger a notification action, but this is speculative. The endpoint is confirmed live — it returns a valid x402 402 challenge with payment details. Callers should be aware that the lack of input/output documentation means integration requires experimentation or contacting the provider.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestnotificationsjson-responsepost-method

Use cases

  • —Retrieving or triggering notifications via a pay-per-call model without API keys
  • —Integrating notification functionality into agent workflows that settle payments on Base
  • —Testing x402 protocol integrations with a low-cost endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents needing keyless, pay-per-use API access on Base
  • —Low-volume notification retrieval without subscription commitments

Not for

  • —Production notification systems requiring documented schemas and SLAs
  • —High-volume use cases where per-request pricing may add up
  • —Users who need detailed API documentation before integrating

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/notifications/86 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/notifications/86
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 input/output schema, no examples, and the endpoint path (/notifications/86) is not listed on the provider's homepage catalog. Functionality is entirely unclear beyond the generic 'Premium API Access' label.

Warnings

  • —No documentation or schema available for this specific endpoint
  • —Endpoint /api/v1/notifications/86 is not listed in the provider's public API catalog
  • —Actual functionality (what notifications/86 returns or does) is unknown
  • —Provider's /pricing, /api, and /README pages are gated behind wallet connection and returned no useful content

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 23:48:48Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/NEGaQe
Pay-per-call notification endpoint on Base via x402 — $0.02 per request in USDC. — Clawmart · Clawmart