DeFi liquidity data for ENJ token, paid per-request via x402 on Base.
What it does
This endpoint at lowpaymentfee.com provides DeFi liquidity data for the Enjin (ENJ) token. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated via the x402 payment protocol on the Base network.
The specific endpoint `/api/v1/defi/ENJ/liquidity` accepts POST requests and returns JSON. Each call costs $0.02 in USDC (USD Coin on Base, contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge confirms the endpoint is live, using the "exact" payment scheme with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). Payment is settled on-chain to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.
Documentation is extremely sparse — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the liquidity response contains or what parameters the POST body accepts. The endpoint is confirmed live via the 402 challenge, but the actual data quality and response structure are unknown.
Capabilities
Use cases
- —Querying current liquidity metrics for the ENJ token across DeFi protocols
- —Monitoring ENJ liquidity depth for trading or arbitrage bots
- —Integrating ENJ liquidity data into portfolio dashboards
Fit
Best for
- —Agents or bots needing on-demand ENJ liquidity snapshots without API key management
- —Developers who want pay-per-call DeFi data settled on Base via USDC
- —Low-volume consumers who prefer no subscriptions or rate limits
Not for
- —Users needing comprehensive multi-token liquidity analytics in a single call
- —Anyone requiring detailed API documentation or guaranteed SLAs before integration
- —High-frequency consumers who would benefit from bulk or subscription pricing
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/defi/ENJ/liquidity \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>"Endpoint
Quality
The endpoint is confirmed live via a valid x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, no documentation beyond a wallet-connect prompt, and the specific ENJ liquidity endpoint is not even listed on the provider's landing page. The actual data returned is entirely unknown.
Warnings
- —No API documentation available — docs, pricing, and API pages all show only 'Connect wallet'
- —No OpenAPI or JSON schema describing request parameters or response fields
- —The /api/v1/defi/ENJ/liquidity endpoint is not listed among the provider's advertised APIs on the landing page
- —Response structure and data quality are completely unknown — use at your own risk
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/defi/ENJ/liquidity
- —The platform advertises $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/defi/ENJ/liquidity