DeFi liquidity data for IMX via x402 micropayment on Base, $0.02/request in USDC.
What it does
This endpoint at lowpaymentfee.com provides DeFi liquidity data for the IMX (Immutable X) token. It is part of a broader platform offering data, analytics, AI, finance, and utility APIs, all gated behind the x402 payment protocol. Each request costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no sign-up required. The caller simply includes an X-PAYMENT header with a valid x402 payment proof.
The specific endpoint `/api/v1/defi/IMX/liquidity` accepts POST requests and returns JSON. Based on the URL structure, it likely returns liquidity pool or market depth information for the IMX token, though the exact response schema is not documented. The x402 challenge confirms the endpoint is live, accepting payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a maximum amount of 20,000 base units of USDC (i.e., $0.02, since USDC uses 6 decimals) and a timeout of 300 seconds.
Documentation on the site 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 spec, no response schema, and no example payloads available. The endpoint is confirmed live via the 402 challenge, but the lack of documentation means callers must experiment to discover the request and response formats.
Capabilities
Use cases
- —Querying real-time liquidity data for the IMX token across DeFi protocols
- —Building trading bots that need on-demand liquidity snapshots for IMX
- —Monitoring IMX liquidity conditions for portfolio management dashboards
Fit
Best for
- —Agents or bots needing pay-per-call DeFi data without API key management
- —Developers prototyping IMX liquidity integrations on Base
- —Low-volume consumers who want no-commitment access to token liquidity info
Not for
- —High-frequency trading requiring sub-second latency and bulk data (no documented rate limits but per-call payment adds overhead)
- —Users needing comprehensive multi-token liquidity aggregation in a single call
- —Anyone requiring detailed API documentation or guaranteed SLAs before integration
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/defi/IMX/liquidity \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_proof>"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 spec, no documented request/response schema, no examples, and the site's docs/pricing/README pages are all empty beyond a wallet connect prompt. The specific endpoint (/api/v1/defi/IMX/liquidity) is not even listed on the homepage. This is effectively a stub listing.
Warnings
- —No API documentation available — docs, pricing, and README pages are empty
- —No request or response schema documented for this endpoint
- —This specific endpoint (/api/v1/defi/IMX/liquidity) is not listed on the provider's homepage; it may be undocumented or experimental
- —Response format and fields must be discovered by experimentation
Citations
- —The endpoint returns HTTP 402 with x402 challenge requiring USDC payment on Base networkhttps://lowpaymentfee.com/api/v1/defi/IMX/liquidity
- —Max amount required is 20000 base units of USDC ($0.02) with 300-second timeouthttps://lowpaymentfee.com/api/v1/defi/IMX/liquidity
- —Platform advertises $0.02/request pricing with no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/defi/IMX/liquidity