KYC・AML向けNode.js/TypeScript SDK

npm install @didit-protocol/sdk-node

import Didit from "@didit-protocol/sdk-node";

const didit = new Didit({
  apiKey: process.env.DIDIT_API_KEY,
  organizationId: process.env.DIDIT_ORGANIZATION_ID,
  applicationId: process.env.DIDIT_APPLICATION_ID,
  timeout: 30_000,
  maxRetries: 2,
});

// Options for a single call.
const fast = didit.withOptions({ timeout: 5_000, maxRetries: 0 });
console.log(await fast.sessions.retrieveDecision("11111111-2222-3333-4444-555555555555"));

import Didit from "@didit-protocol/sdk-node";

const didit = new Didit();

const session = await didit.sessions.create({
  workflow_id: "11111111-2222-3333-4444-555555555555",
  vendor_data: "user-123",
  callback: "https://example.com/verification/done",
});
console.log(session.url);

import Didit from "@didit-protocol/sdk-node";

const didit = new Didit();

const decision = await didit.sessions.retrieveDecision("11111111-2222-3333-4444-555555555555");
console.log(decision.status);
for (const verification of decision.id_verifications ?? []) {
  console.log(verification.first_name, verification.last_name);
}

import { webhooks, WebhookVerificationError, type WebhookHeaders } from "@didit-protocol/sdk-node";

const secret = process.env.DIDIT_WEBHOOK_SECRET ?? "";

export async function handleWebhook(rawBody: Buffer, headers: WebhookHeaders): Promise<number> {
  try {
    const event = await webhooks.verify(rawBody, headers, secret);
    if (event.webhook_type === "status.updated") {
      console.log(event.session_id, event.status);
    }
    return 200;
  } catch (error) {
    if (error instanceof WebhookVerificationError) return 400;
    throw error;
  }
}

import Didit from "@didit-protocol/sdk-node";

const didit = new Didit();

const transaction = await didit.transactions.create({
  transaction_id: "txn-1001",
  transaction_category: "finance",
  transaction_details: { direction: "outbound", amount: 1500, currency: "EUR" },
  subject: { entity_type: "individual", vendor_data: "user-123", full_name: "Maria Garcia" },
});
console.log(transaction.status, transaction.score);

import { Authentication, TokenVerificationError } from "@didit-protocol/sdk-node";

// The publishable key (pk_live_... or pk_test_...) carries your issuer URL.
const auth = Authentication.fromPublishableKey("pk_live_...", { clientId: "your-application-id" });

export async function currentUser(accessToken: string): Promise<string | null> {
  try {
    const claims = await auth.verifyAccessToken(accessToken);
    return claims.sub;
  } catch (error) {
    if (error instanceof TokenVerificationError) return null;
    throw error;
  }
}

import Didit, { APIStatusError, NotFoundError, RateLimitError } from "@didit-protocol/sdk-node";

const didit = new Didit();

try {
  await didit.sessions.retrieveDecision("11111111-2222-3333-4444-555555555555");
} catch (error) {
  if (error instanceof NotFoundError) console.log("no such session");
  else if (error instanceof RateLimitError) console.log("slow down, request", error.requestId);
  else if (error instanceof APIStatusError) console.log(error.status, error.body);
  else throw error;
}

import Didit, { fileFromPath } from "@didit-protocol/sdk-node";

const didit = new Didit();

// Lists page through every result.
for await (const session of didit.sessions.list({ status: "Approved" })) {
  console.log(session.session_id);
}

// Uploads take a Blob, a Buffer, a stream or fileFromPath.
const result = await didit.idVerification.verify({
  front_image: await fileFromPath("id-front.jpg"),
  back_image: await fileFromPath("id-back.jpg"),
});
console.log(result.id_verification);