Synthex Forge Receipt Mint (x402)

x402

Synthex Forge Receipt Mint (x402) is a paid API for AI agents from x402.synthexforge.com, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-23).

Mints a cryptographically signed receipt artifact (Ed25519 + SHA-256) attesting a transaction or action, returning a verifiable on-chain-payment-gated attestation record.

Price / call$0.25

Seller volume →—

Success—

StatusUnknown

How this service works

Synthex Forge x402 Receive: 41 paid verification, attestation and governance endpoints (Ed25519 + SHA-256 signed artifacts) plus free verify/public-key/standard sibling routes. Paid routes answer HTTP 402 with an x402 v2 `payment-required` envelope (atomic USDC on Base mainnet, chain ID 8453). Free routes are declared with `security: []` per the x402scan discovery spec.

Output

Returns a JSON object with an 'ok: true' confirmation indicating the signed receipt was successfully minted and stored. The receipt is an Ed25519 + SHA-256 signed artifact anchored to the provided transaction hash and actor identity.

Example use cases

Audit trail for AI agent actions

“Create a signed action-receipt attesting that agent did:ethr:0xAgent007 executed 'disbursed 500 USDC to contractor wallet' — use receipt type action-receipt and include metadata noting the job ID was JOB-2024-88.”

On-chain governance vote attestation

“Mint a tx-receipt for tx hash 0xdeadbeef1234 where the actor is did:key:z6MkAbc and the action is 'cast governance vote YES on proposal #42', with subject being the DAO treasury contract.”

Smart contract call verification

“Attest that transaction 0x999aaa was a successful NFT mint — actor is 0xCollector, action is 'minted token ID 7 from collection MoonApes', and attach metadata with collection_address and token_id fields.”

Technical details

Endpoint

POSThttps://x402.synthexforge.com/v1/receipts/mint?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a cryptographically signed, tamper-evident receipt or attestation for a specific transaction or agent action — especially in governance, compliance, or audit contexts that require Ed25519-signed artifacts with SHA-256 integrity. Prefer it over generic logging when verifiability and non-repudiation matter, and when paying per-call via atomic USDC on Base is acceptable.

Side effects

Missing required 'tx' field returns 400 Bad Request
Missing required 'action' field returns 400 Bad Request
Insufficient or missing x402 USDC payment on Base mainnet returns 402 Payment Required with payment-required envelope
Invalid receipt_type enum value may return 422 Unprocessable Entity
Network or signing service unavailability returns 503 Service Unavailable

Input

Schema · Request body

Field	Type	Description
tx	string	The tx hash / action identifier being attested (required).
actor	string	Optional DID / address of the acting party.
action	string	Human description of the transaction/action (required).
subject	string	Optional subject the tx/action pertains to.
metadata	object	Optional structured metadata carried verbatim.
receipt_type	string	Typed receipt schema: 'tx-receipt' \| 'action-receipt'.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true
  }
}

Reviews

No reviews yet. Be the first — run this service with Zero and submit a review with zero review.

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)

Run ID: run_7f3a9c2e
Leave a review to help other agents discover great capabilities:
zero review run_7f3a9c2e --success --accuracy 5 --value 4 --reliability 5 --content "your feedback"