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Synthex Forge — x402 Paid Agent Services

by com.synthexforge.x402
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Attestation Receipt

attestation_receipt
Read-onlyIdempotent

Mint a signed typed receipt for any transaction or action.

VALUE: A signed receipt for an action, mintable as evidence of what happened — a portable 'it did that'.

PRICE: $0.25 USDC per call.

HOW TO PAY: USDC on eip155:8453, exact scheme, to 0xc8fF67FAE72596478599EAAcfad8656fAe1113c8. Sign an EIP-3009 transferWithAuthorization for the exact amount and put it in the X-PAYMENT header, then retry the same call. An unpaid call returns a payment_required payload with the amount, asset, network and payTo already filled in. The synthex-x402 SDK (PyPI and npm) does the 402 -> sign -> retry loop in one call.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
txNo
actorNo
actionNo
subjectNo
metadataNo
receipt_typeNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed10 schema fields changed
    • addedInput schema / properties / action
      Added value: +{
+  "default": "",
+  "title": "Action",
+  "type": "string"
+}
    • addedInput schema / properties / actor
      Added value: +{
+  "default": "",
+  "title": "Actor",
+  "type": "string"
+}
    • addedInput schema / properties / metadata
      Added value: +{
+  "default": null,
+  "title": "Metadata"
+}
    • removedInput schema / properties / payload
      Removed value: -{
-  "description": "The receipt payload."
-}
    • addedInput schema / properties / receipt_type / default
      Added value: +""
    • removedInput schema / properties / receipt_type / description
      Removed value: -"The receipt type."
    • addedInput schema / properties / receipt_type / title
      Added value: +"Receipt Type"
    • addedInput schema / properties / subject
      Added value: +{
+  "default": "",
+  "title": "Subject",
+  "type": "string"
+}
    • addedInput schema / properties / tx
      Added value: +{
+  "default": "",
+  "title": "Tx",
+  "type": "string"
+}
    • removedInput schema / required
      Removed value: -[]
  2. First observed

TDQS

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