the402 endpoint detail

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api.arkm.com subaccounts address

https://api.arkm.com/x402/balances/solana/subaccounts/address

payable

Get Solana subaccount balances for addresses. $0.20 per call.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.20
Network
base
Pay to
0x942bD3E3073543c674Efc0C378D5bcE20f9120C1
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
48 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:11:53.661Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.arkm.com%2Fx402%2Fbalances%2Fsolana%2Fsubaccounts%2Faddress"