Products

Five record types behind one API.

Each product records a different kind of fact. All of them are hashed, signed with your organization's key and stored append-only. Events, documents and AI attestations can also be grouped into a trace.

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Choose by what you need to prove

POST /v1/audit/events

Audit Logs

Signed activity logs for each of your customers, with a viewer they can open themselves.

Enterprise security reviewsCustomer admin consolesIncident timelines

POST /v1/events

Event Ledger

An append-only, signed record of the business events you may need to prove later.

Approvals and sign-offsConsent and policy acceptanceMoney movement

POST /v1/ai/attestations

AI Attestation

A signed record of what a model was asked, what it answered, and which model it was.

Customer-facing answersAutomated decisionsAgent runs

POST /v1/document/anchor

Document Anchoring

Proof that an exact file existed at a given time, without handing the file over.

Invoices and statementsContracts and board packsReports to lenders and regulators

POST /v1/traces

Traces

Group events, documents and AI attestations into one sealed record of a whole process.

Multi-step approvalsAI agent runsAudit sampling

Without codeEvidence Rooms

app.invoance.com · no API needed

Evidence Rooms

Capital calls, wire instructions and closing documents, delivered exactly as sent, with signed proof of who opened what. Built on Document Anchoring and a signed room log, used from the dashboard.

Capital calls and distributionsWire and payment instructionsClosing, KYC and audit documents

What they shareHow it works

01 · Your appPOST /v1/eventsAPI key + Idempotency-Key
02 · CanonicalizeCanonical JSONKeys sorted, stable bytes
03 · HashSHA-256payload_hash, request_hash
04 · SignEd25519Your organization's key
05 · StoreAppend-only ledgerRows cannot be deleted

Every plan includes all five.

Plans differ by volume and retention, not by which products you can use.

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