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Build the decision.Keep the evidence.

One evidence-first contract for people, businesses and transactions—from the first applicant link to the final signed decision and every continuous check after it.

REST v1Versioned API
4SDK platforms
HMACSigned events
Ed25519Decision receipts

Choose how you build

The assurance policy always runs on Assayra. You choose how much interface you want to own.

SDK references

The end-to-end contract

Choose policyPublished workflow
Create applicationIdempotent API
Collect evidenceHosted or SDK
Resolve assuranceApprove, review, reject
Continue monitoringEvents and receipts

What can you integrate?

The applicant URL is a credential.

Never log, analyse or place invitation tokens in third-party URLs. Use the returned absolute URL as issued, honour expiry and revoke or rotate it when delivery changes.

Start here

  1. Create sandbox access.
  2. Understand authentication and scopes.
  3. Choose hosted, drop-in or headless delivery.
  4. Subscribe to signed decision events.
  5. Complete the go-live checklist.