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Nishvault x402 Pre-Send Guard

0.01 USDC on Base for pre-send EVM transaction simulation for AI agents. Returns an x402 v2 challenge and, after payment, a preflight result and proof receipt; never broadcasts the transaction.

Resource URL

https://x402-discovery.nishvault.com/simulate/transaction-preflight

Payment options

exactBase (8453)

$0.01 USDC

Max amount

Pay to
0x044f05a0fcf030c53ea6d50ddc5c0a44527c1b47
Timeout
300s

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://x402-discovery.nishvault.com/simulate/transaction-preflight
Type: http
Sources: x402-list

Developer