Apollo Migration Deep Dive

Apollo Migration Deep Dive

Overview

Comprehensive guide for migrating to Apollo.io from other CRMs and data sources, including data mapping, validation, and rollback strategies.

Migration Planning

Pre-Migration Assessment

// scripts/​migration-assessment.ts
interface MigrationAssessment {
  source: {
    system: string;
    recordCount: number;
    dataQuality: DataQualityReport;
    fieldMapping: FieldMappingAnalysis;
  };
  target: {
    apolloPlan: string;
    creditBudget: number;
    apiLimits: APILimits;
  };
  risk: {
    level: 'low' | 'medium' | 'high';
    factors: string[];
    mitigations: string[];
  };
  timeline: {
    estimatedDuration: string;
    phases: Phase[];
  };
}

async function assessMigration(sourceConfig: any): Promise<MigrationAssessment> {
  // Analyze source data
  const sourceAnalysis = await analyzeSourceData(sourceConfig);

  // Check Apollo capacity
  const apolloCapacity = await checkApolloCapacity();

  // Calculate risks
  const risks = calculateRisks(sourceAnalysis, apolloCapacity);

  // Estimate timeline
  const timeline = estimateTimeline(sourceAnalysis, apolloCapacity);

  return {
    source: sourceAnalysis,
    target: apolloCapacity,
    risk: risks,
    timeline,
  };
}

async function analyzeSourceData(config: any): Promise<SourceAnalysis> {
  const records = await fetchSourceRecords(config);

  return {
    system: config.system,
    recordCount: records.length,
    dataQuality: {
      emailValid: records.filter(r => isValidEmail(r.email)).length / records.length,
      emailPresent: records.filter(r => r.email).length / records.length,
      phonePresent: records.filter(r => r.phone).length / records.length,
      companyPresent: records.filter(r => r.company).length / records.length,
      duplicates: findDuplicates(records).length,
    },
    fieldMapping: analyzeFields(records),
  };
}

Field Mapping

// src/​migration/​field-mapper.ts
interface FieldMapping {
  sourceField: string;
  targetField: string;
  transform?: (value: any) => any;
  required: boolean;
  validation?: (value: any) => boolean;
}

const SALESFORCE_TO_APOLLO: FieldMapping[] = [
  {
    sourceField: 'Email',
    targetField: 'email',
    required: true,
    validation: isValidEmail,
  },
  {
    sourceField: 'FirstName',
    targetField: 'first_name',
    required: false,
  },
  {
    sourceField: 'LastName',
    targetField: 'last_name',
    required: false,
  },
  {
    sourceField: 'Title',
    targetField: 'title',
    required: false,
    transform: normalizeTitle,
  },
  {
    sourceField: 'Phone',
    targetField: 'phone',
    required: false,
    transform: normalizePhone,
  },
  {
    sourceField: 'Account.Name',
    targetField: 'organization_name',
    required: false,
  },
  {
    sourceField: 'Account.Website',
    targetField: 'organization_domain',
    transform: extractDomain,
    required: false,
  },
  {
    sourceField: 'LinkedIn_URL__c',
    targetField: 'linkedin_url',
    required: false,
    validation: isValidLinkedInUrl,
  },
];

const HUBSPOT_TO_APOLLO: FieldMapping[] = [
  { sourceField: 'properties.email', targetField: 'email', required: true },
  { sourceField: 'properties.firstname', targetField: 'first_name', required: false },
  { sourceField: 'properties.lastname', targetField: 'last_name', required: false },
  { sourceField: 'properties.jobtitle', targetField: 'title', required: false },
  { sourceField: 'properties.phone', targetField: 'phone', required: false },
  { sourceField: 'properties.company', targetField: 'organization_name', required: false },
  { sourceField: 'properties.website', targetField: 'organization_domain', transform: extractDomain, required: false },
];

function transformRecord(record: any, mappings: FieldMapping[]): any {
  const transformed: any = {};
  const errors: string[] = [];

  for (const mapping of mappings) {
    const value = getNestedValue(record, mapping.sourceField);

    if (mapping.required && !value) {
      errors.push(`Missing required field: ${mapping.sourceField}`);
      continue;
    }

    if (value) {
      let transformedValue = mapping.transform ? mapping.transform(value) : value;

      if (mapping.validation && !mapping.validation(transformedValue)) {
        errors.push(`Invalid value for ${mapping.sourceField}: ${value}`);
        continue;
      }

      transformed[mapping.targetField] = transformedValue;
    }
  }

  return { data: transformed, errors };
}

Migration Execution

Phased Migration Strategy

// src/​migration/​phased-migration.ts
interface MigrationPhase {
  name: string;
  percentage: number;
  criteria: any;
  validation: () => Promise<boolean>;
  rollbackPlan: () => Promise<void>;
}

const MIGRATION_PHASES: MigrationPhase[] = [
  {
    name: 'Pilot',
    percentage: 1,
    criteria: { createdAt: { gt: '2024-01-01' }, hasEmail: true },
    validation: async () => {
      const migrated = await getMigratedCount('pilot');
      const errors = await getErrorCount('pilot');
      return errors / migrated < 0.01; // Less than 1% error rate
    },
    rollbackPlan: async () => {
      await deleteApolloContacts({ tag: 'migration-pilot' });
    },
  },
  {
    name: 'Early Adopters',
    percentage: 10,
    criteria: { hasEmail: true, engagementScore: { gt: 50 } },
    validation: async () => {
      // Validate data integrity
      const sample = await sampleMigratedRecords(100);
      const integrity = await validateDataIntegrity(sample);
      return integrity.score > 0.95;
    },
    rollbackPlan: async () => {
      await deleteApolloContacts({ tag: 'migration-early' });
    },
  },
  {
    name: 'Main Migration',
    percentage: 75,
    criteria: { hasEmail: true },
    validation: async () => {
      // Full validation suite
      return await runFullValidation();
    },
    rollbackPlan: async () => {
      // This is risky - need careful planning
      console.warn('Full rollback required - contact support');
    },
  },
  {
    name: 'Cleanup',
    percentage: 14,
    criteria: {}, // Remaining records
    validation: async () => true,
    rollbackPlan: async () => {},
  },
];

async function executePhasedMigration(): Promise<void> {
  for (const phase of MIGRATION_PHASES) {
    console.log(`Starting phase: ${phase.name} (${phase.percentage}%)`);

    // Get records for this phase
    const records = await getRecordsForPhase(phase);
    console.log(`Found ${records.length} records for ${phase.name}`);

    // Migrate in batches
    const batchSize = 100;
    for (let i = 0; i < records.length; i += batchSize) {
      const batch = records.slice(i, i + batchSize);
      await migrateBatch(batch, phase.name);

      // Progress update
      console.log(`Progress: ${i + batch.length}/​${records.length}`);

      // Rate limit
      await sleep(1000);
    }

    // Validate phase
    const isValid = await phase.validation();
    if (!isValid) {
      console.error(`Phase ${phase.name} validation failed!`);
      await phase.rollbackPlan();
      throw new Error(`Migration failed at phase: ${phase.name}`);
    }

    console.log(`Phase ${phase.name} completed successfully`);
  }
}

Batch Migration Worker

// src/​migration/​batch-worker.ts
import { Queue, Worker, Job } from 'bullmq';

interface MigrationJob {
  records: any[];
  phase: string;
  batchNumber: number;
}

const migrationQueue = new Queue('apollo-migration');

// Producer
async function enqueueMigrationBatch(
  records: any[],
  phase: string,
  batchNumber: number
): Promise<void> {
  await migrationQueue.add('migrate', {
    records,
    phase,
    batchNumber,
  }, {
    attempts: 3,
    backoff: {
      type: 'exponential',
      delay: 5000,
    },
    removeOnComplete: 100,
    removeOnFail: false,
  });
}

// Consumer
const worker = new Worker('apollo-migration', async (job: Job<MigrationJob>) => {
  const { records, phase, batchNumber } = job.data;

  const results = {
    success: 0,
    failed: 0,
    errors: [] as any[],
  };

  for (const record of records) {
    try {
      // Transform record
      const transformed = transformRecord(record, getMapping(record.source));

      if (transformed.errors.length > 0) {
        results.failed++;
        results.errors.push({ record, errors: transformed.errors });
        continue;
      }

      // Create in Apollo
      await apollo.createContact(transformed.data);

      // Store mapping for rollback
      await storeMigrationMapping(record.id, transformed.data.id, phase);

      results.success++;
    } catch (error: any) {
      results.failed++;
      results.errors.push({ record, error: error.message });
    }

    // Update job progress
    await job.updateProgress((results.success + results.failed) / records.length * 100);
  }

  // Log results
  console.log(`Batch ${batchNumber}: ${results.success} success, ${results.failed} failed`);

  if (results.errors.length > 0) {
    await storeFailedRecords(results.errors, phase, batchNumber);
  }

  return results;
});

Validation & Reconciliation

// src/​migration/​validation.ts
interface ValidationResult {
  totalSource: number;
  totalTarget: number;
  matched: number;
  mismatched: number;
  missing: number;
  extra: number;
  fieldDiscrepancies: FieldDiscrepancy[];
}

interface FieldDiscrepancy {
  recordId: string;
  field: string;
  sourceValue: any;
  targetValue: any;
}

async function validateMigration(): Promise<ValidationResult> {
  // Get all source records
  const sourceRecords = await fetchAllSourceRecords();
  const sourceMap = new Map(sourceRecords.map(r => [r.email, r]));

  // Get all migrated records from Apollo
  const apolloRecords = await fetchAllApolloContacts();
  const apolloMap = new Map(apolloRecords.map(r => [r.email, r]));

  const result: ValidationResult = {
    totalSource: sourceRecords.length,
    totalTarget: apolloRecords.length,
    matched: 0,
    mismatched: 0,
    missing: 0,
    extra: 0,
    fieldDiscrepancies: [],
  };

  // Check source records exist in Apollo
  for (const [email, sourceRecord] of sourceMap) {
    const apolloRecord = apolloMap.get(email);

    if (!apolloRecord) {
      result.missing++;
      continue;
    }

    // Compare fields
    const discrepancies = compareRecords(sourceRecord, apolloRecord);
    if (discrepancies.length === 0) {
      result.matched++;
    } else {
      result.mismatched++;
      result.fieldDiscrepancies.push(...discrepancies);
    }
  }

  // Check for extra records in Apollo
  for (const [email] of apolloMap) {
    if (!sourceMap.has(email)) {
      result.extra++;
    }
  }

  return result;
}

function compareRecords(source: any, target: any): FieldDiscrepancy[] {
  const discrepancies: FieldDiscrepancy[] = [];
  const fieldsToCompare = ['first_name', 'last_name', 'title', 'phone'];

  for (const field of fieldsToCompare) {
    const sourceValue = normalizeValue(source[field]);
    const targetValue = normalizeValue(target[field]);

    if (sourceValue !== targetValue) {
      discrepancies.push({
        recordId: source.id,
        field,
        sourceValue,
        targetValue,
      });
    }
  }

  return discrepancies;
}

Rollback Strategy

// src/​migration/​rollback.ts
interface RollbackPlan {
  phase: string;
  recordIds: string[];
  timestamp: Date;
}

async function createRollbackPlan(phase: string): Promise<RollbackPlan> {
  const mappings = await prisma.migrationMapping.findMany({
    where: { phase },
  });

  return {
    phase,
    recordIds: mappings.map(m => m.apolloId),
    timestamp: new Date(),
  };
}

async function executeRollback(plan: RollbackPlan): Promise<void> {
  console.log(`Rolling back ${plan.recordIds.length} records from phase: ${plan.phase}`);

  // Delete from Apollo in batches
  const batchSize = 50;
  for (let i = 0; i < plan.recordIds.length; i += batchSize) {
    const batch = plan.recordIds.slice(i, i + batchSize);

    await Promise.all(
      batch.map(async (id) => {
        try {
          // Apollo may not have delete API - mark as inactive instead
          await apollo.updateContact(id, { status: 'inactive' });
        } catch (error) {
          console.error(`Failed to rollback contact ${id}:`, error);
        }
      })
    );

    console.log(`Rollback progress: ${i + batch.length}/​${plan.recordIds.length}`);
    await sleep(1000);
  }

  // Update migration mappings
  await prisma.migrationMapping.updateMany({
    where: { phase: plan.phase },
    data: { rolledBack: true, rolledBackAt: new Date() },
  });

  console.log(`Rollback complete for phase: ${plan.phase}`);
}

Migration Dashboard

// src/​routes/​admin/​migration.ts
router.get('/​migration/​status', async (req, res) => {
  const status = {
    phases: await getMigrationPhaseStatus(),
    progress: await getOverallProgress(),
    errors: await getRecentErrors(50),
    queue: await getQueueStatus(),
  };

  res.json(status);
});

router.post('/​migration/​pause', async (req, res) => {
  await migrationQueue.pause();
  res.json({ status: 'paused' });
});

router.post('/​migration/​resume', async (req, res) => {
  await migrationQueue.resume();
  res.json({ status: 'resumed' });
});

router.post('/​migration/​rollback/:phase', async (req, res) => {
  const plan = await createRollbackPlan(req.params.phase);
  await executeRollback(plan);
  res.json({ status: 'rolled back', plan });
});

Output

• Pre-migration assessment framework
• Field mapping configurations
• Phased migration strategy
• Batch processing workers
• Validation and reconciliation
• Rollback procedures

Error Handling

Resources

• Apollo Import Documentation
• Salesforce Export Guide
• HubSpot Export Guide

Completion

This completes the Apollo skill pack. All 24 skills are now available for Claude Code users integrating with Apollo.io.