Database snapshot for November 2025, paid per-request via x402 on Base with USDC.
What it does
This endpoint at lowpaymentfee.com serves a database snapshot for November 2025 (`/api/v1/database/snapshots/2025-11`). It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all payable per-request via the x402 protocol on the Base network using USDC.
The specific endpoint probed returns a 402 challenge requesting up to $0.02 per call (20,000 base units of USDC with 6 decimals = $0.02). Payment is made via an `X-PAYMENT` header using the x402 "exact" scheme, settling to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The response MIME type is `application/json`. The endpoint accepts POST requests and is marked as discoverable.
Documentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The nature of the "database snapshot" data (what database, what fields, what format) is not documented anywhere in the crawled material. The platform advertises no API keys, no rate limits, and instant access, but without schemas or sample responses it is difficult to know what data is actually returned.
Capabilities
Use cases
- —Retrieving a November 2025 database snapshot via a single paid API call
- —Programmatic access to periodic data exports without subscription or API key management
- —Agent-driven data acquisition using x402 micropayments on Base
Fit
Best for
- —Agents or scripts that need one-shot data retrieval with crypto micropayments
- —Users who want keyless, pay-per-use access to database snapshots
- —Developers building on Base who prefer USDC-settled API calls
Not for
- —Users who need detailed documentation or schema guarantees before purchasing
- —High-frequency consumers who need bulk/subscription pricing
- —Anyone requiring non-crypto payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2025-11 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation of what the snapshot contains, and all doc pages render only 'Connect wallet'. The listing is effectively a stub with confirmed liveness.
Warnings
- —No documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet'
- —No request or response schema provided; the contents of the 'database snapshot' are completely undocumented
- —No OpenAPI or ai-plugin manifest found
- —The specific endpoint path (/api/v1/database/snapshots/2025-11) is not listed on the provider's landing page among their advertised APIs
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC (USD Coin) on Base networkhttps://lowpaymentfee.com/api/v1/database/snapshots/2025-11
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/database/snapshots/2025-11
- —Documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet'https://lowpaymentfee.com/docs