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kairostamp.com

Receipt verification: read-only hash-chain verification of one existing Kairostamp receipt id. Recomputes the canonical SHA-256 digest, compares it with the stored chain hash, checks linkage to the preceding entry and reports whether the entry is covered by an on-chain checkpoint. Performs no outbound fetch. Single GET query parameter (receipt_id).

Resource URL

https://kairostamp.com/api/v1/verify

Payment options

exactBase (8453)

$0.001 USDC

Max amount

Pay to
0xdB6F694aE695C632C82677a50593B46137808453
Timeout
300s

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://kairostamp.com/api/v1/verify
Type: http
Sources: cdp

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