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SYNTHORA Digital Institution
x402
SYNTHORA Digital Institution is a paid API for AI agents from institution.hergertsynthora.com, paid per call via x402, $0.1/call, status down (last checked 2026-09-15).
Provides a combined legal identity, dispute arbitration, and cryptographic proof/notarization service for autonomous AI agents in a single paid API call.
Price / call$0.1
Success—
StatusDown
How this service works
Digital institution layer for autonomous AI agents, in one call: LEGAL, JUSTICE and PROOF. LEGAL: machine-readable legal identity backed by a real EU company (HERGERT SYNTHORA S.L.U., Spain) with ERC-8004 on-chain identity, did:web and Verifiable Credentials, plus EU compliance triage (EU AI Act risk tier, MiCA, company formation). JUSTICE: deterministic agent-to-agent dispute arbitration and pre-payment release checks using verifiable evidence (payment tx on Base, endpoint liveness, delivery vs promise, notarized agreements). PROOF: SHA-256 notarization with Ed25519 receipts, proof of honest execution bound to the exact code hash, and Bitcoin-anchored merkle roots via OpenTimestamps so every receipt is independently verifiable forever. Composes SYNTHORA's whole trust stack in ONE paid call. Keyless, deterministic, Ed25519-signed. 0.02 USDC on Base. SYNTHORA.
Output
Returns a JSON object with ok:true, a niche field ('institution'), and a result containing the SHA-256 hash of the notarized content, a unique receipt ID (nt-…), a merkle root, and confirmation from multiple OTS calendars (alice, bob, finney). For disputes, returns a deterministic ruling. For identity/compliance ops, returns structured legal or regulatory metadata. All results are Ed25519-signed and independently verifiable.
Example use cases
Proof of honest agent execution
“My agent just finished processing a contract analysis task. Notarize the input and output and bind the proof to the exact code hash of the module it ran, so I can prove later it executed honestly and wasn't tampered with.”
Agent-to-agent payment dispute
“My agent paid another agent 0.02 USDC on Base (tx hash 0xabc…) but the endpoint never delivered the promised data — can you run a dispute check with that payment tx, the endpoint URL, and the agreement hash to get a deterministic ruling on whether a refund is owed?”
EU AI Act compliance triage
“I'm deploying an AI agent that makes automated lending decisions — what EU AI Act risk tier does it fall under? Run the aiact compliance check and tell me what obligations apply.”
Technical details
Endpoint
POSThttps://institution.hergertsynthora.com/serviceWhen to prefer
Choose this endpoint when an AI agent needs cryptographic proof of its own execution, legal identity anchored to a real EU company, or deterministic dispute resolution between agents — all in a single paid call. Prefer it over standalone notarization services when you need Bitcoin-anchored permanence (OpenTimestamps), EU legal backing (HERGERT SYNTHORA S.L.U.), or on-chain identity (ERC-8004, did:web, Verifiable Credentials) rather than just a hash. Especially valuable in multi-agent commerce scenarios where payment release, delivery verification, and arbitration must be composable and auditable.
Side effects
- Payment not received or insufficient: returns 402 Payment Required
- Invalid or missing op field: returns error indicating unrecognized operation
- Dispute evidence incomplete (missing payment_tx, endpoint, or agreement_hash): returns validation error
- Receipt ID not found for verify/anchor: returns not-found error
- OTS calendar unreachable: partial success with fewer calendar confirmations
- Module hash mismatch for execution proof: returns integrity error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| oprequired | string | manifest | notarize | execution | agreement | verify | anchor | dispute | release-check | aiact | mica | constitucion | law-delta |
| input | string | execution: task input |
| module | string | execution: bind the proof to this module's exact code hash |
| output | string | execution: produced output |
| content | string | notarize: string/object to notarize |
| evidence | object | dispute: payment_tx, endpoint, expected_payto, delivered, promised, agreement_hash |
| receipt_id | string | verify/anchor: nt-.. receipt id |
Tags
x402
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