Developer guide

Replace adapters, not product semantics.

This frontend sandbox models the boundary a future Go backend, controller, source adapter, proof engine, and verifier SDK can implement.

01Create

02Redirect

03Deliver

04Verify

05Consume

Trust boundary

Requester

Purpose + callback

Proof Controller

Consent + orchestration

Evidence source

Private response

Proof engine

Policy result

Final verifier

Allowed outputs

Audience-bound request

const request = await proofClient.requests.create({
  policy: "customer_mandate_valid@1.0",
  subject: "UBL customer PK-1042",
  purpose: "Access scoped UBL customer data",
  audience: "https://sandbox.ubl.com.pk/verify-return",
  return_destination: "https://sandbox.atlascapital.test/proof-return",
  expires_in: 300,
  single_use: false
})

redirect(request.proof_controller_url)

Required outcome handling

Direct and distinct final-verifier delivery

User decline and request expiry

Unsatisfied statement without a receipt

Source, proof, and delivery failures

Invalid audience binding

Consumed single-use receipt and revoked mandate