x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall, settling payments in USDC on the Base network. The specific resource path (/api/v1/generate/resource/131) falls under the provider's broader platform of pay-per-call APIs spanning data & analytics, AI & ML, finance & Web3, and infrastructure utilities. Each request costs $0.02 (20,000 base units of USDC with 6 decimals), and the provider advertises no API keys, no rate limits, and instant access.
The endpoint accepts HTTP POST requests and returns application/json responses. However, the exact input schema and output format for this particular resource (resource/131) are not documented in the crawled material. The provider's landing page lists many endpoints across categories but does not provide detailed request/response schemas or example payloads for any of them. The docs, pricing, and API pages all resolve to a minimal "Connect wallet" prompt with no further documentation.
Because the specific functionality behind resource/131 is unclear — it could be a generation utility, a placeholder, or something else entirely — agents should treat this as an opaque premium endpoint until more documentation surfaces. The x402 challenge is live and well-formed, confirming the endpoint is operational and ready to accept payments.
Capabilities
Use cases
- —Programmatic access to a premium generation resource via x402 micropayment
- —Agent-driven workflows that need keyless, pay-as-you-go API access on Base
- —Testing x402 payment flows with a low-cost live endpoint
Fit
Best for
- —Agents or developers exploring x402 payment protocol integration
- —Low-cost per-request API consumption without subscription commitments
- —Crypto-native workflows settling in USDC on Base
Not for
- —Users who need detailed API documentation or guaranteed SLAs before integrating
- —High-volume batch processing where per-request pricing may add up
- —Anyone needing a clearly specified input/output contract upfront
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/131 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>" \
-d '{}'Endpoint
Quality
The x402 challenge is live and well-formed, confirming the endpoint works and pricing is clear ($0.02 USDC on Base). However, there is no documentation for this specific resource's input/output schema, no OpenAPI spec, and the docs/pricing/API pages are all empty beyond a wallet-connect prompt. The exact purpose of resource/131 is unknown.
Warnings
- —No documentation available for the specific resource /api/v1/generate/resource/131 — purpose and expected input/output are unknown
- —All doc pages (docs, api, pricing, README) resolve to a minimal 'Connect wallet' page with no content
- —No OpenAPI or schema definition found for any endpoint on the platform
- —The provider lists many endpoints but none have detailed specifications — treat all as opaque
Citations
- —Endpoint returns HTTP 402 with x402 challenge advertising USDC on Base network, maxAmountRequired 20000 base unitshttps://lowpaymentfee.com/api/v1/generate/resource/131
- —Provider advertises $0.02 per request, no API keys, no rate limits, instant access, Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/generate/resource/131