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x402 Wallet Balance Across Chains
x402
x402 Wallet Balance Across Chains is a paid API for AI agents from apiwitchcraft.duckdns.org, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Returns the x402 wallet balance for one or more blockchain chains via a single GET request.
Price / call$0.002
Success—
StatusUnknown
How this service works
x402 balance lookup: instantly check the settled USDC balance earned by any x402 payTo address on the CDP Facilitator (Base mainnet). Return available balance, total received, pending settlements, and last-settlement time so sellers can monitor earnings and trigger payouts. A lightweight per-call utility for agents and dashboards tracking x402 revenue in real time, paid in USDC with no API key.
Output
Returns the wallet balance associated with the x402 account, scoped to a specific chain if requested, including token amounts and chain metadata.
Example use cases
Check multi-chain crypto balance
“Can you pull up my x402 wallet balance across all the chains I'm active on and give me a summary of what I'm holding?”
Confirm balance before payment
“Before I proceed with this x402 payment, can you verify I have enough funds in my wallet on the Ethereum chain to cover it?”
Monitor on-chain account funds
“How much do I currently have sitting in my x402 account on Polygon? I want to make sure my balance hasn't dropped below my threshold.”
Technical details
Endpoint
GEThttps://apiwitchcraft.duckdns.org/x402-recon/balance?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to check the x402 protocol wallet balance across one or more blockchain networks, especially when already operating in an x402 payment flow and need on-chain balance confirmation without spinning up a full node or indexer.
Side effects
- Unsupported chain identifier returns an error or empty result
- Missing or invalid query parameters may return a 400 Bad Request
- Service unavailable (duckdns host downtime) returns 5xx
- x402 payment not made results in 402 Payment Required before data is returned
- Empty balance returned if wallet has no funds on the specified chain
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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