Query OCEAN token wallet balance via x402 micropayment on Base for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com returns the balance of an OCEAN token wallet. It is part of a broader suite of pay-per-call APIs offered by the same provider, spanning data analytics, AI/ML inference, finance/Web3, and utility services. All endpoints are gated behind the x402 payment protocol, settling in USDC on the Base network.
The specific endpoint `/api/v1/wallet/OCEAN/balance` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, which uses 6 decimals), equating to $0.02 per request. Payment is made via the "exact" scheme to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a timeout of 300 seconds.
The provider's landing page advertises a flat $0.02/request pricing model across all endpoints with no API keys, no rate limits, and instant access. However, documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available from the crawled material. The exact request body format and response structure for this wallet balance endpoint are unknown.
Capabilities
Use cases
- —Checking the OCEAN token balance of a specific wallet address
- —Integrating OCEAN balance lookups into trading bots or portfolio dashboards
- —Automated monitoring of OCEAN holdings across wallets
Fit
Best for
- —Agents needing on-demand OCEAN wallet balance without API key registration
- —Developers who prefer pay-per-call pricing over subscription models
- —Quick one-off balance checks settled via USDC on Base
Not for
- —High-frequency polling where $0.02/request adds up quickly compared to free RPC calls
- —Users needing balances for tokens other than OCEAN (separate endpoints exist but are not documented here)
- —Anyone requiring detailed transaction history rather than a simple balance
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/wallet/OCEAN/balance \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>" \
-d '{"address": "0xYourWalletAddress"}'Example
Request
{
"address": "0x1234567890abcdef1234567890abcdef12345678"
}Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, and all docs pages return only 'Connect wallet' with no technical content. The request body and response format are entirely inferred.
Warnings
- —No OpenAPI or schema documentation available; request/response formats are unknown and inferred
- —All documentation pages (/docs, /api, /pricing, /README) returned only 'Connect wallet' with no useful content
- —The specific wallet/OCEAN/balance endpoint is not listed on the provider's landing page among advertised APIs
- —Example request JSON is speculative — actual required fields are undocumented
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base networkhttps://lowpaymentfee.com/api/v1/wallet/OCEAN/balance
- —The provider advertises $0.02/request flat pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —The provider offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com