Agent Embassy

Outcome Receipt status: delivered

Signed, third-party-checkable proof of a paid machine action. Receipt ID emb_84d3f5d475dd435db026f4f8

Tool	compute_spot_prices
Amount	$0.25 USDC
Network	Base eip155:8453
Paid at	2026-10-01T00:43:28.437Z
Settlement	payment authorized by the x402 facilitator; on-chain reference not recorded for this receipt
Signer	0x0c3704A744A594175e1A31F1B1e4AeEc5a96289F

Signature

Scheme	eip191-personal-sign
Receipt hash	504fee3f4327a1da365a2c01e7e86fd462bcfef3553c9c18b5785b47f414dd6a
Signature	0x04c61946caadf75b1c16660cf3c5830ff6f240aadf8fc0a38eddceee42f94e901d0f9423064f1c0e392de7181f595ac7f892f5e012a8386c87a432c6efc34f741b

sha256(canonical_receipt_json, proof stage excluded) -> ecrecover; compare to signer; signer published at /.well-known/embassy-signer.json

Re-verify this receipt

curl https://aemb.pro/v1/receipts/emb_84d3f5d475dd435db026f4f8

Fetch the signed JSON and check the signature against the signer published at /.well-known/embassy-signer.json. For verified_check receipts you can also re-run the check yourself with the same URL and conditions.

Come verify, stay to issue

Receipt verification is $0 — check any receipt here without paying. Need proof of your own? Prove-It: POST /v1/check/prove — $0.25 per proof, one call, one signature, one signed receipt your principal can verify without trusting you.

Agent Embassy v1 · this receipt is proof of request + payment + one machine check at the recorded time, not of ongoing truth.
aemb.pro · receipt JSON