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BCS Wallet Overview via x402 Preflight
x402
BCS Wallet Overview via x402 Preflight is a paid API for AI agents from base-agent-preflight.bytoken2023.workers.dev, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-14).
Fetches a blockchain wallet summary (balances, assets, valuations) for a given address and chain, proxied through an x402-gated preflight service.
Price / call$0.08
Success—
StatusUnknown
How this service works
Machine-payable service intelligence for discovering, verifying, and monitoring identity, risk, authorization, execution-preflight, and evidence APIs before autonomous agents spend.
Output
Returns a JSON object with the product identifier ('bcs-wallet-overview'), upstream service name, request metadata (request_id, credit_cost, credit_remaining), and the upstream response containing a 'data' object with wallet holdings and a 'meta' block with the request ID. The data block includes asset balances, token compositions, and optional valuations for the queried address on the specified blockchain.
Example use cases
Agent pre-purchase wallet audit
“Before buying that x402 dataset, check the wallet overview for 0xDEF456... on base and make sure it has enough USDC and the right assets to cover the purchase.”
Portfolio snapshot for DeFi agent
“Pull a full wallet summary for address cosmos1xyz... on the osmosis chain, including all token balances, so I can see what we're working with before rebalancing.”
On-chain holdings check for compliance
“Get me the asset breakdown for wallet 0x789GHI... on the polygon chain, filtering to just USDC and WETH, so I can review the holdings.”
Technical details
Endpoint
GEThttps://base-agent-preflight.bytoken2023.workers.dev/v1/x402/bcs/wallet-overviewWhen to prefer
Choose this endpoint when you need a structured, aggregated wallet overview for a specific blockchain address, especially within an x402 agent-commerce context where you need to verify buyer wallet composition before a purchase. Prefer it over raw RPC calls when you want normalized asset summaries with optional valuation in a target asset, and when operating within the BlockchainSecurity Atlantis data ecosystem.
Side effects
- Missing required 'blockchain' or 'address' query parameters returns a validation error
- Invalid address format (not matching pattern ^[A-Za-z0-9:_-]{3,128}$) causes a 400 rejection
- Unsupported or misspelled chain slug causes upstream lookup failure
- Upstream BlockchainSecurity Atlantis service unavailability yields a 502 or timeout
- Payment not provided or insufficient USDC balance results in x402 payment-required response
- Invalid token contract format in 'contracts' parameter causes a parse error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"product": "bcs-wallet-overview",
"upstream_headers": {
"request_id": "example-request-id",
"credit_cost": null,
"credit_remaining": null
},
"upstream_service": "blockchainsecurity-atlantis",
"upstream_response": {
"data": {},
"meta": {
"request_id": "example-request-id"
}
}
}
}Tags
x402
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