DeFi liquidity data for ETC via x402 micropayment on Base, $0.02 per request.
What it does
This endpoint provides DeFi liquidity data for Ethereum Classic (ETC) through the lowpaymentfee.com platform. It is part of a broader suite of pay-per-request APIs covering data analytics, AI/ML inference, finance, crypto, and utility services. The endpoint uses the x402 payment protocol, settling in USDC on the Base network at $0.02 per call.
The specific endpoint `/api/v1/defi/ETC/liquidity` is categorized under Finance & Web3 and returns JSON data. Payment is handled inline via the X-PAYMENT header — no API keys, accounts, or rate limits are required. The x402 challenge was confirmed live, advertising a maxAmountRequired of 20,000 base units of USDC (6 decimals), which equals $0.02.
Documentation beyond the landing page is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The exact shape of the liquidity data returned is unknown and must be discovered by making a paid request.
Capabilities
Use cases
- —Querying current DeFi liquidity metrics for Ethereum Classic (ETC)
- —Building dashboards that aggregate cross-chain DeFi liquidity
- —Automated trading or arbitrage bots needing ETC liquidity snapshots
- —Research and analytics on ETC DeFi ecosystem health
Fit
Best for
- —Agents or bots that need on-demand ETC liquidity data without managing API keys
- —Developers prototyping DeFi tools who want instant, pay-per-call access
- —Low-volume consumers who prefer micropayments over subscription plans
Not for
- —High-frequency trading requiring sub-second latency guarantees (no SLA documented)
- —Users who need detailed documentation or OpenAPI specs before integrating
- —Anyone needing liquidity data for chains other than ETC from this specific endpoint
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/defi/ETC/liquidity \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The specific endpoint path (/api/v1/defi/ETC/liquidity) is not even listed on the provider's landing page, raising questions about its completeness. Effectively a stub listing.
Warnings
- —No OpenAPI or schema documentation available — request and response formats are unknown
- —The /api/v1/defi/ETC/liquidity path is not listed among the provider's advertised endpoints on the landing page
- —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no useful content
- —No examples or sample responses available; data quality and structure cannot be verified
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/defi/ETC/liquidity
- —The platform charges $0.02 per request 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/defi/ETC/liquidity