Database snapshot for April 2024, payable per-request via x402 on Base with USDC.
What it does
This endpoint at lowpaymentfee.com serves a database snapshot for the month of April 2024 via a POST request. It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all payable per-call using the x402 protocol on the Base network with USDC.
The specific endpoint `/api/v1/database/snapshots/2024-04` costs $0.02 per request (20,000 base units of USDC with 6 decimals). Payment is handled inline via the x402 `X-PAYMENT` header — no API keys, accounts, or rate limits are required. The x402 challenge was confirmed live, returning a 402 with an `exact` payment scheme targeting USDC (contract `0x8335…2913`) on Base. The payment recipient is `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, and the maximum timeout is 300 seconds.
Documentation is extremely sparse. The crawled docs, API, pricing, and README pages all rendered only a "Connect wallet" prompt with no additional content. There is no OpenAPI spec, no request/response schema, and no description of what the snapshot data actually contains or what fields are returned. The endpoint's purpose — whether it returns a full database dump, a summary, or specific records — is unknown from the available material.
Capabilities
Use cases
- —Retrieving a historical database snapshot for April 2024
- —Programmatic access to archived monthly data without needing an API key
- —Agent-driven data acquisition with inline USDC micropayment
Fit
Best for
- —Agents or scripts that need one-shot access to a specific monthly data snapshot
- —Users who prefer keyless, pay-per-call API access on Base
- —Automated pipelines that can handle x402 payment negotiation
Not for
- —Users who need detailed documentation or schema guarantees before calling
- —Bulk or high-frequency data retrieval where per-call fees add up
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2024-04 \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The x402 challenge is live and confirms pricing and payment details, but there is zero documentation on what this endpoint actually returns. No OpenAPI spec, no request/response schema, and all doc pages render only a wallet-connect prompt. The listing is effectively a stub with confirmed liveness.
Warnings
- —No documentation available — all doc/pricing/README pages show only 'Connect wallet' with no content
- —No request or response schema provided; the data contents of the snapshot are unknown
- —The endpoint path suggests a time-specific resource (2024-04); it is unclear if this is still maintained or if newer snapshots exist
- —The broader platform lists many endpoints but none have documented schemas
Citations
- —The endpoint returns a 402 challenge with x402Version 1, exact scheme, on Base network, accepting USDC at 20000 base unitshttps://lowpaymentfee.com/api/v1/database/snapshots/2024-04
- —The platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/database/snapshots/2024-04
- —Documentation, API, pricing, and README pages all render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs