Check BONK token wallet balance via x402 micropayment on Base network for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com provides wallet balance lookups for the BONK token. It is part of a broader platform offering various pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities—all gated behind the x402 payment protocol on the Base network.
The specific endpoint `/api/v1/wallet/BONK/balance` accepts POST requests and returns JSON. Payment is settled in USDC on Base (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) at a cost of 20,000 base units, which equals $0.02 given USDC's 6 decimals. No API keys or rate limits are required—access is granted per-request upon valid x402 payment.
The platform advertises a uniform $0.02/request pricing model across all endpoints with no minimums or commitments. Documentation beyond the landing page is sparse; the docs, API, pricing, and README pages all resolve to a minimal "Connect wallet" prompt with no additional technical detail. The wallet balance endpoint's input/output schemas are not documented beyond the x402 challenge metadata.
Capabilities
Use cases
- —Checking BONK token balance for a given wallet address
- —Integrating real-time BONK holdings into portfolio dashboards
- —Automated agents verifying wallet balances before executing trades
- —Monitoring BONK token distribution across wallets
Fit
Best for
- —Developers needing quick BONK balance lookups without API key management
- —AI agents that can settle x402 micropayments on Base
- —Applications requiring low-cost, on-demand crypto balance queries
Not for
- —Bulk historical balance queries (no batch or historical endpoint documented)
- —Users who cannot settle USDC payments on Base network
- —Production use requiring detailed API documentation or SLAs
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/wallet/BONK/balance \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>" \
-d '{"address": "<wallet_address>"}'Example
Request
{
"address": "0xAbC1234567890DEF1234567890abcdef12345678"
}Endpoint
Quality
The endpoint is live (402 challenge confirmed) with clear pricing ($0.02 USDC on Base), but documentation is effectively nonexistent—no input/output schema, no example responses, and no details on what parameters the POST body expects or what the response contains. The request and response examples above are inferred, not documented.
Warnings
- —No API documentation available beyond the x402 challenge metadata
- —Input schema (required POST body fields) is undocumented
- —Output/response format is unknown
- —Docs, pricing, and README pages all show only 'Connect wallet' with no content
- —It is unclear whether this returns on-chain BONK (Solana SPL) balance or a different representation
Citations
- —Endpoint returns 402 with x402 challenge advertising USDC on Base at 20000 base unitshttps://lowpaymentfee.com/api/v1/wallet/BONK/balance
- —Platform advertises $0.02/request uniform pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/wallet/BONK/balance