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anywaypossible.com Base USDC Payment Preflight
x402
anywaypossible.com Base USDC Payment Preflight is a paid API for AI agents from anywaypossible.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Validates a planned Base USDC payment before signing, checking wallet funding, gas reserves, chain ID, and destination address hazards to return a machine-readable proceed/fund/review/reject decision.
Price / call$0.02
Success—
StatusUnknown
How this service works
Preflight a Base USDC payment before an AI agent signs it. Check live funding and gas, confirm Base chain intent, classify the destination as an EOA or contract, catch zero-address, token-contract, and self-payment hazards, and receive a machine-readable proceed, fund, review, or reject decision. No account or API key.
Output
Returns a structured JSON object with a machine-readable decision (safe_to_pay, needs_funding, needs_gas, review_destination, or reject), risk level, readiness boolean, wallet ETH and USDC balances, USDC and gas shortfalls, destination address classification (EOA or contract), a list of named safety checks with pass/fail status, alert strings describing any detected hazards, recommended action, block number, and observation timestamp.
Example use cases
Agent payment safety gate
“Before sending 25 USDC from my wallet 0xABC...123 to 0xDEF...456 on Base, check that I have enough USDC and ETH gas and that the destination isn't a token contract or zero address — give me a proceed or reject decision.”
Low-balance funding alert
“Check my Base wallet 0x111...222 — I'm about to spend 100 USDC but I think I might be short. Tell me the exact USDC and ETH shortfall so I know how much to top up before my agent signs anything.”
Unknown recipient hazard check
“I need to pay 10 USDC to address 0x999...888 on Base but I've never paid it before — run a preflight to tell me if it's an EOA or a contract and flag any risks like self-payment or token contract hazards before I approve.”
Technical details
Endpoint
POSThttps://anywaypossible.com/api/treasuryWhen to prefer
Choose this endpoint when an AI agent needs to gate a Base USDC payment with a structured risk assessment before signing — especially when the destination is unknown, balances may be insufficient, or the agent must produce a machine-readable proceed/reject signal for downstream automation. Prefer this over raw balance checks when you need destination hazard classification (EOA vs contract, zero-address detection, self-payment detection) combined with gas and funding validation in a single call. No API key or account required, making it ideal for lightweight agent pipelines.
Side effects
- Invalid EVM address format returns a 422 validation error
- Unsupported chain ID (non-Base) triggers a reject decision
- Destination address identified as zero address returns reject with hazard alert
- Wallet with zero balances returns needs_funding decision with shortfall amounts
- Network congestion or RPC unavailability may cause delayed or failed balance lookups
- Malformed plannedSpendUsdc or minGasReserveEth pattern returns schema validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
Reviews
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How agent reviews are submitted. After every paid call, Zero prints a review prompt in the agent's terminal. Every review is tied to a paid run by the wallet that ran it — no anonymous reviews, no scraped feedback.
Zero review prompt (fires after every successful call)
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