SDK — ZKP Operations | IDA — Identity for the AI Age

Source: packages/sdk/src/zkp.ts.

SDK method	Endpoint
`generateChallenge()`	`POST /api/v1/zkp/challenge`
`generateZKProof(params)`	`POST /api/v1/zkp/proofs`
`verifyZKProof(proof, proverDid)`	`POST /api/v1/zkp/verify`
`getZKProof(proofId)`	`GET /api/v1/zkp/proofs/{id}`

Example: predicate proof

1 const challenge = await client.generateZKChallenge();
2 
3 const { proof } = await client.generateZKProof({
4   credentialId: vc.id,
5   proverDid: 'did:adi:alice…',
6   privateKey: holderPrivateKeyB64Url,
7   credentialSubject: { age: 25, country: 'US' },
8   predicates: [
9     { attributeName: 'age', type: 'gte', value: 18 },
10     { attributeName: 'country', type: 'membership', memberSet: ['US','UK','EU'] },
11   ],
12   challenge: challenge.challenge,
13   anchorOnChain: false,
14 });
15 
16 const verification = await verifierClient.verifyZKProof(proof, 'did:adi:alice…');
17 console.log('All predicates satisfied?', verification.valid);

Important: The wallet uses this exact API on mobile (§8.4). When anchorOnChain: true, the response includes onChainHash — use it to fetch the on-chain ProofRecord from the ZKProofVerifier contract (§11.6).