Best Mailchimp Email Validation API & Phone Verification Integration 2025

// Pre-campaign optimization workflow
const optimizeCampaign = async (campaignId, audienceId) => {
  // Step 1: Get campaign audience
  const audience = await mailchimp.lists.getListMembersInfo(audienceId);
  
  // Step 2: Batch validate emails
  const validationResults = await Promise.all(
    audience.members.map(member => 
      validate1lookup(member.email_address)
    )
  );
  
  // Step 3: Create optimized send lists
  const sendLists = {
    prime: [], // High deliverability, immediate send
    standard: [], // Good deliverability, delayed send  
    cautious: [], // Medium risk, limited frequency
    suppress: [] // High risk or invalid
  };
  
  audience.members.forEach((member, i) => {
    const validation = validationResults[i];
    const score = validation.deliverability_score;
    
    if (validation.is_valid && score > 85) {
      sendLists.prime.push(member);
    } else if (validation.is_valid && score > 70) {
      sendLists.standard.push(member);
    } else if (validation.is_valid && score > 50) {
      sendLists.cautious.push(member);
    } else {
      sendLists.suppress.push(member);
    }
  });
  
  // Step 4: Schedule optimized sends
  await scheduleOptimizedSends(campaignId, sendLists);
  
  return {
    totalAudience: audience.members.length,
    primeList: sendLists.prime.length,
    suppressedCount: sendLists.suppress.length,
    expectedDeliverability: calculateExpectedDeliverability(sendLists)
  };
};