Database snapshot for April 2025, payable per-request via x402 on Base with USDC.
What it does
This endpoint at lowpaymentfee.com provides access to a database snapshot dated 2025-04 via a POST request. It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all gated behind the x402 payment protocol on the Base network using USDC.
The specific endpoint `/api/v1/database/snapshots/2025-04` returns JSON data and costs $0.02 per request (20,000 base units of USDC with 6 decimals). Payment is made inline via the X-PAYMENT header; no API keys, accounts, or rate limits are required. The x402 challenge was successfully captured with version 1, confirming the endpoint is live. The payment settles to address `0x1A2B...85F3` on Base, with a maximum timeout of 300 seconds.
Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what the database snapshot actually contains. The endpoint's purpose, data schema, and expected POST body are entirely unknown beyond the generic label "Premium API Access" and the MIME type `application/json`.
Capabilities
Use cases
- —Retrieving a point-in-time database snapshot for April 2025
- —Programmatic data access without API key registration
- —Agent-driven data procurement using x402 micropayments
Fit
Best for
- —Agents or scripts that need keyless, pay-per-call data access
- —Users comfortable with x402 payment flow on Base
- —One-off retrieval of a specific monthly snapshot
Not for
- —Users who need documentation or schema details before purchasing
- —Bulk or streaming data access (single snapshot only)
- —Anyone without USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2025-04 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what the snapshot contains, no request/response schema, no examples, and all doc pages are empty. This is effectively a stub listing.
Warnings
- —No documentation available — all doc/pricing/README pages return only 'Connect wallet' with no content.
- —No OpenAPI or request/response schema provided; the contents and structure of the database snapshot are completely unknown.
- —The endpoint name 'Premium API Access' is generic and does not describe the actual data returned.
- —Cannot verify what data the April 2025 snapshot contains or its freshness.
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/database/snapshots/2025-04
- —The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/database/snapshots/2025-04
- —Docs, API, pricing, and README pages render only 'Connect wallet' with no additional contenthttps://lowpaymentfee.com/docs