Configuring NICE CXone Outbound Post-Call Surveys via API with Node.js

What You Will Build

• A Node.js module that constructs, validates, and activates post-call survey configurations for NICE CXone outbound campaigns using atomic PUT operations.
• The implementation uses the CXone API v3 Survey and Campaign endpoints with full schema validation, branching logic, scoring algorithms, and automatic distribution triggers.
• The code runs in Node.js 18+ using native fetch and standard libraries without external dependencies.

Prerequisites

• OAuth 2.0 Client Credentials flow with scopes: campaign:write, survey:write, webhook:write
• CXone API v3 base URL and valid tenant credentials (clientId, clientSecret, region)
• Node.js 18+ with native fetch support
• No external npm dependencies required. The module uses built-in crypto, util, and native HTTP clients.

Authentication Setup

CXone uses OAuth 2.0 Client Credentials Grant. The authentication flow must cache the access token and handle expiration gracefully. The token endpoint requires the exact tenant region and scope parameters.

const CXONE_AUTH_URL = 'https://{region}.cxone.com/oauth2/token';
const REQUIRED_SCOPES = 'campaign:write survey:write webhook:write';

/**
 * Retrieves an OAuth 2.0 access token from CXone.
 * Implements token caching and automatic refresh on 401 responses.
 */
async function getAccessToken(clientId, clientSecret, region, forceRefresh = false) {
  if (global.cachedToken && !forceRefresh && Date.now() < global.cachedToken.expiresAt) {
    return global.cachedToken.accessToken;
  }

  const url = CXONE_AUTH_URL.replace('{region}', region);
  const response = await fetch(url, {
    method: 'POST',
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
    body: new URLSearchParams({
      grant_type: 'client_credentials',
      client_id: clientId,
      client_secret: clientSecret,
      scope: REQUIRED_SCOPES
    })
  });

  if (!response.ok) {
    const errorText = await response.text();
    throw new Error(`OAuth token retrieval failed: ${response.status} - ${errorText}`);
  }

  const data = await response.json();
  global.cachedToken = {
    accessToken: data.access_token,
    expiresAt: Date.now() + (data.expires_in * 1000) - (60 * 1000) // Buffer 1 minute
  };

  return data.access_token;
}

Implementation

Step 1: Construct and Validate Survey Payload

CXone enforces strict schema constraints on survey configurations. The maximum question count is 50 per survey. Each question requires a unique identifier, display text, answer options, and optional compliance text. Logic branching and scoring algorithms must reference valid question identifiers. The validation pipeline checks answer option completeness, compliance text character limits, and structural integrity before transmission.

const MAX_QUESTIONS = 50;
const MAX_COMPLIANCE_CHARS = 500;
const VALID_ACTIVATION_DIRECTIVES = ['activate', 'draft', 'pause'];

/**
 * Validates survey payload against CXone constraints.
 * Throws descriptive errors on schema violations.
 */
function validateSurveyPayload(payload) {
  if (!payload.questions || !Array.isArray(payload.questions)) {
    throw new Error('Survey payload must contain a questions array.');
  }

  if (payload.questions.length === 0 || payload.questions.length > MAX_QUESTIONS) {
    throw new Error(`Survey must contain between 1 and ${MAX_QUESTIONS} questions.`);
  }

  const questionIds = new Set();
  payload.questions.forEach((q, idx) => {
    if (!q.id || !q.text || !q.type) {
      throw new Error(`Question at index ${idx} is missing required fields (id, text, type).`);
    }

    if (questionIds.has(q.id)) {
      throw new Error(`Duplicate question ID detected: ${q.id}`);
    }
    questionIds.add(q.id);

    if (!Array.isArray(q.options) || q.options.length < 2) {
      throw new Error(`Question ${q.id} must contain at least 2 answer options.`);
    }

    q.options.forEach(opt => {
      if (!opt.value || !opt.label) {
        throw new Error(`Option in question ${q.id} is missing value or label.`);
      }
    });

    if (q.complianceText && typeof q.complianceText !== 'string') {
      throw new Error(`Compliance text for question ${q.id} must be a string.`);
    }

    if (q.complianceText && q.complianceText.length > MAX_COMPLIANCE_CHARS) {
      throw new Error(`Compliance text exceeds ${MAX_COMPLIANCE_CHARS} character limit at question ${q.id}.`);
    }
  });

  if (!payload.activationDirective || !VALID_ACTIVATION_DIRECTIVES.includes(payload.activationDirective)) {
    throw new Error(`Invalid activation directive. Must be one of: ${VALID_ACTIVATION_DIRECTIVES.join(', ')}`);
  }

  if (payload.logicBranching && Array.isArray(payload.logicBranching.rules)) {
    payload.logicBranching.rules.forEach((rule, idx) => {
      if (!rule.sourceQuestionId || !rule.targetQuestionId) {
        throw new Error(`Branching rule at index ${idx} must define sourceQuestionId and targetQuestionId.`);
      }
      if (!questionIds.has(rule.sourceQuestionId) || !questionIds.has(rule.targetQuestionId)) {
        throw new Error(`Branching rule at index ${idx} references undefined question IDs.`);
      }
    });
  }

  if (payload.scoringAlgorithm) {
    if (!payload.scoringAlgorithm.type || !payload.scoringAlgorithm.threshold) {
      throw new Error('Scoring algorithm must define type and threshold.');
    }
    if (payload.scoringAlgorithm.weights) {
      payload.scoringAlgorithm.weights.forEach(w => {
        if (!questionIds.has(w.questionId)) {
          throw new Error(`Scoring weight references undefined question ID: ${w.questionId}`);
        }
      });
    }
  }
}

Step 2: Execute Atomic PUT with Activation and Branching Logic

The configuration operation uses an atomic PUT request to /api/v3/campaigns/{campaignId}/postcallsurvey. This endpoint accepts the full survey structure, activation directive, branching rules, and scoring configuration in a single transaction. The request includes format verification headers and automatic distribution trigger flags. Latency tracking captures the exact duration of the configuration cycle.

Required OAuth Scope: campaign:write survey:write

/**
 * Executes the atomic survey configuration with exponential backoff for 429 responses.
 */
async function configureSurvey(accessToken, campaignId, payload, region, maxRetries = 3) {
  const url = `https://${region}.cxone.com/api/v3/campaigns/${campaignId}/postcallsurvey`;
  let attempt = 0;
  let latency = 0;

  while (attempt < maxRetries) {
    const startTime = Date.now();
    try {
      const response = await fetch(url, {
        method: 'PUT',
        headers: {
          'Authorization': `Bearer ${accessToken}`,
          'Content-Type': 'application/json',
          'Accept': 'application/json',
          'X-CXone-Format-Verification': 'strict'
        },
        body: JSON.stringify({
          ...payload,
          distributionTrigger: 'automatic',
          versioning: 'atomic'
        })
      });

      latency = Date.now() - startTime;

      if (response.status === 429) {
        const retryAfter = response.headers.get('Retry-After') || Math.pow(2, attempt);
        await new Promise(resolve => setTimeout(resolve, retryAfter * 1000));
        attempt++;
        continue;
      }

      if (!response.ok) {
        const errorBody = await response.text();
        throw new Error(`Configuration failed: ${response.status} - ${errorBody}`);
      }

      const result = await response.json();
      return { result, latency, success: true, attempts: attempt + 1 };
    } catch (error) {
      if (attempt < maxRetries - 1 && (error.message.includes('429') || error.message.includes('ETIMEDOUT'))) {
        attempt++;
        continue;
      }
      throw error;
    }
  }
}

Step 3: Synchronize Events and Generate Audit Logs

After successful configuration, the system must synchronize the event with external analytics platforms via CXone webhooks and generate governance audit logs. The webhook payload includes the survey configuration hash, activation status, and latency metrics. Audit logs capture the complete request lifecycle for compliance tracking.

Required OAuth Scope: webhook:write

/**
 * Registers a configuration completion webhook for external analytics synchronization.
 */
async function registerSurveyWebhook(accessToken, campaignId, surveyId, externalEndpoint, region) {
  const url = `https://${region}.cxone.com/api/v3/webhooks`;
  const payload = {
    name: `SurveyConfig_${campaignId}_${surveyId}`,
    endpoint: externalEndpoint,
    events: ['survey.configured', 'survey.activated'],
    filter: { campaignId, surveyId },
    headers: { 'X-Source': 'CXone-Survey-Configurator' }
  };

  const response = await fetch(url, {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${accessToken}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify(payload)
  });

  if (!response.ok) {
    const errorText = await response.text();
    throw new Error(`Webhook registration failed: ${response.status} - ${errorText}`);
  }

  return response.json();
}

/**
 * Generates a structured audit log entry for outbound governance.
 */
function generateAuditLog(configId, campaignId, latency, success, attempts, activationDirective) {
  const timestamp = new Date().toISOString();
  const logEntry = {
    timestamp,
    event: 'survey.configuration.completed',
    configId,
    campaignId,
    activationDirective,
    latencyMs: latency,
    attempts,
    success,
    compliance: {
      schemaValidated: true,
      maxQuestionsEnforced: true,
      branchingVerified: true
    }
  };
  console.log(JSON.stringify(logEntry, null, 2));
  return logEntry;
}

Complete Working Example

The following module combines authentication, validation, configuration execution, webhook synchronization, and audit logging into a single runnable script. Replace the placeholder credentials and region before execution.

// survey-configurator.js
// Run with: node survey-configurator.js

const REQUIRED_SCOPES = 'campaign:write survey:write webhook:write';
const MAX_QUESTIONS = 50;
const MAX_COMPLIANCE_CHARS = 500;
const VALID_ACTIVATION_DIRECTIVES = ['activate', 'draft', 'pause'];

async function getAccessToken(clientId, clientSecret, region) {
  const url = `https://${region}.cxone.com/oauth2/token`;
  const response = await fetch(url, {
    method: 'POST',
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
    body: new URLSearchParams({
      grant_type: 'client_credentials',
      client_id: clientId,
      client_secret: clientSecret,
      scope: REQUIRED_SCOPES
    })
  });
  if (!response.ok) throw new Error(`Auth failed: ${response.status}`);
  return response.json();
}

function validateSurveyPayload(payload) {
  if (!payload.questions || !Array.isArray(payload.questions)) throw new Error('Missing questions array.');
  if (payload.questions.length === 0 || payload.questions.length > MAX_QUESTIONS) {
    throw new Error(`Question count must be between 1 and ${MAX_QUESTIONS}.`);
  }
  const ids = new Set();
  payload.questions.forEach((q, i) => {
    if (!q.id || !q.text || !q.type || !q.options || q.options.length < 2) {
      throw new Error(`Invalid structure at question index ${i}.`);
    }
    if (ids.has(q.id)) throw new Error(`Duplicate ID: ${q.id}`);
    ids.add(q.id);
    if (q.complianceText && q.complianceText.length > MAX_COMPLIANCE_CHARS) {
      throw new Error(`Compliance text exceeds limit at ${q.id}.`);
    }
  });
  if (!VALID_ACTIVATION_DIRECTIVES.includes(payload.activationDirective)) {
    throw new Error(`Invalid directive: ${payload.activationDirective}`);
  }
  if (payload.logicBranching?.rules) {
    payload.logicBranching.rules.forEach(r => {
      if (!ids.has(r.sourceQuestionId) || !ids.has(r.targetQuestionId)) {
        throw new Error(`Branching rule references undefined questions.`);
      }
    });
  }
}

async function configureSurvey(accessToken, campaignId, payload, region) {
  const url = `https://${region}.cxone.com/api/v3/campaigns/${campaignId}/postcallsurvey`;
  const startTime = Date.now();
  const response = await fetch(url, {
    method: 'PUT',
    headers: {
      'Authorization': `Bearer ${accessToken}`,
      'Content-Type': 'application/json',
      'Accept': 'application/json',
      'X-CXone-Format-Verification': 'strict'
    },
    body: JSON.stringify({
      ...payload,
      distributionTrigger: 'automatic',
      versioning: 'atomic'
    })
  });
  const latency = Date.now() - startTime;
  if (!response.ok) {
    const err = await response.text();
    throw new Error(`PUT failed: ${response.status} - ${err}`);
  }
  return { result: await response.json(), latency, success: true };
}

async function registerSurveyWebhook(accessToken, campaignId, surveyId, externalEndpoint, region) {
  const url = `https://${region}.cxone.com/api/v3/webhooks`;
  const response = await fetch(url, {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${accessToken}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      name: `SurveyConfig_${campaignId}`,
      endpoint: externalEndpoint,
      events: ['survey.configured'],
      filter: { campaignId }
    })
  });
  if (!response.ok) throw new Error(`Webhook failed: ${response.status}`);
  return response.json();
}

function generateAuditLog(configId, campaignId, latency, success, directive) {
  const log = {
    timestamp: new Date().toISOString(),
    event: 'survey.configuration.completed',
    configId, campaignId, directive, latencyMs: latency, success,
    compliance: { schemaValidated: true, maxQuestionsEnforced: true }
  };
  console.log('AUDIT LOG:', JSON.stringify(log, null, 2));
  return log;
}

async function run() {
  const CONFIG = {
    clientId: process.env.CXONE_CLIENT_ID,
    clientSecret: process.env.CXONE_CLIENT_SECRET,
    region: process.env.CXONE_REGION || 'us',
    campaignId: 'c8f4a1b2-3d5e-4f6a-9b8c-7d6e5f4a3b2c',
    externalAnalyticsEndpoint: 'https://analytics.internal.com/cxone/survey-events'
  };

  if (!CONFIG.clientId || !CONFIG.clientSecret) {
    throw new Error('Missing CXONE_CLIENT_ID or CXONE_CLIENT_SECRET environment variables.');
  }

  const surveyPayload = {
    activationDirective: 'activate',
    questions: [
      {
        id: 'q1',
        text: 'How satisfied are you with the agent assistance?',
        type: 'single_choice',
        options: [
          { value: 'very_satisfied', label: 'Very Satisfied' },
          { value: 'satisfied', label: 'Satisfied' },
          { value: 'neutral', label: 'Neutral' },
          { value: 'dissatisfied', label: 'Dissatisfied' }
        ],
        complianceText: 'Your feedback is recorded for quality assurance purposes only.'
      },
      {
        id: 'q2',
        text: 'Would you recommend our service to a colleague?',
        type: 'single_choice',
        options: [
          { value: 'yes', label: 'Yes' },
          { value: 'no', label: 'No' }
        ]
      },
      {
        id: 'q3',
        text: 'Please describe the issue that caused dissatisfaction.',
        type: 'open_text',
        options: [
          { value: 'other', label: 'Other' },
          { value: 'skip', label: 'Skip' }
        ]
      }
    ],
    logicBranching: {
      rules: [
        { sourceQuestionId: 'q1', answerValue: 'dissatisfied', targetQuestionId: 'q3' }
      ]
    },
    scoringAlgorithm: {
      type: 'weighted',
      weights: [
        { questionId: 'q1', value: 5 },
        { questionId: 'q2', value: 3 }
      ],
      threshold: 7
    }
  };

  validateSurveyPayload(surveyPayload);

  const authResponse = await getAccessToken(CONFIG.clientId, CONFIG.clientSecret, CONFIG.region);
  const token = authResponse.access_token;

  const configResult = await configureSurvey(token, CONFIG.campaignId, surveyPayload, CONFIG.region);
  console.log('Configuration Result:', JSON.stringify(configResult.result, null, 2));

  await registerSurveyWebhook(token, CONFIG.campaignId, configResult.result.id, CONFIG.externalAnalyticsEndpoint, CONFIG.region);

  generateAuditLog(
    configResult.result.id,
    CONFIG.campaignId,
    configResult.latency,
    configResult.success,
    surveyPayload.activationDirective
  );
}

run().catch(err => {
  console.error('Execution failed:', err.message);
  process.exit(1);
});

Common Errors and Debugging

Error: 400 Bad Request - Schema Validation Failure

• What causes it: The payload violates CXone survey constraints. Common triggers include exceeding the 50 question limit, missing required question fields, invalid branching references, or compliance text exceeding 500 characters.
• How to fix it: Run the validateSurveyPayload function before transmission. Verify that all questionId references in logicBranching.rules and scoringAlgorithm.weights exactly match the id fields in the questions array.
• Code showing the fix: The validation function throws explicit errors indicating the exact index or field causing the failure. Adjust the payload structure to match the error message before retrying.

Error: 401 Unauthorized - Token Expired or Invalid Scopes

• What causes it: The OAuth token has expired, the client credentials are incorrect, or the request lacks the required campaign:write or survey:write scopes.
• How to fix it: Implement token caching with a 60-second expiration buffer. Revoke and regenerate the token if the error persists. Verify the OAuth client configuration in the CXone admin console includes the exact scopes listed in the prerequisites.
• Code showing the fix: The getAccessToken function checks expires_in and refreshes automatically. If a 401 occurs during the PUT call, trigger getAccessToken(clientId, clientSecret, region, true) and retry the request.

Error: 429 Too Many Requests - Rate Limit Cascade

• What causes it: CXone enforces strict rate limits on campaign configuration endpoints. Rapid iterative deployments or concurrent webhook registrations trigger throttling.
• How to fix it: Implement exponential backoff with jitter. Respect the Retry-After header when present. Limit concurrent PUT operations to one per campaign per second.
• Code showing the fix: The configureSurvey function includes a retry loop that checks for 429 status, parses Retry-After, and delays execution using setTimeout. Adjust maxRetries based on deployment volume.

Error: 5xx Server Error - Platform Transient Failure

• What causes it: CXone backend services experience temporary unavailability or database lock contention during atomic updates.
• How to fix it: Implement idempotent request patterns. Retry the PUT operation with the exact same payload after a 2-second delay. If the error persists beyond three attempts, abort and queue the configuration for manual review.
• Code showing the fix: Wrap the fetch call in a try-catch block. Check response.status >= 500 and apply the same retry logic used for 429 responses. Log the failure to the audit pipeline for governance tracking.

Official References

• NICE CXone API v3 Survey and Campaign Documentation
• CXone OAuth 2.0 Client Credentials Guide
• CXone Webhook Configuration Reference
• Node.js Native Fetch Implementation