Coresignal vs Melissa Enrich

Coresignal provides real-time, multi-source public web data about companies, jobs, and professionals through APIs and flat-file datasets. It says its coverage spans 4.5 billion records from more than 15 sources. Dataset formats include JSON, JSONL, CSV, and Parquet. Data is offered at Base, Clean, and Multi-source processing levels; the Multi-source option combines and enriches material from multiple public sources. Its API catalog includes company, employee, and jobs endpoints with search, collection, bulk collection, and enrichment functions where applicable. Listed integrations include MCP Server, n8n, Zapier, Clay, Databricks, Google Cloud, Amazon S3, Snowflake, and Azure. Coresignal identifies investment, sales technology, HR technology, and market research as customer areas. It says it collects publicly available business data, excludes private or sensitive data and login-secured areas, and aligns its privacy policy with CCPA and GDPR. The free tier gives 2,000 credits for a 7-day trial, issued once per company email domain. Paid plans start at $49 a month.

Melissa Enrich adds geographic, demographic, and firmographic information to existing records to support customer insight and audience targeting. Its data options include consumer demographics, business firmographics, phone and email append, postal addresses, geocoding, IP location, and property and mortgage data. Consumer attributes can include household, financial, and lifestyle details; business records can gain company size, industry, revenue, and location. Melissa says it validates existing contact information before cleaning, appending, and enriching selected records. The service is available through web and API, with CRM sync and integrations including Salesforce, Microsoft Dynamics, Google Sheets, Shopify, Snowflake, and others. Deployment can be on-premises or cloud. The Personator Consumer feature is limited to the U.S. market. Melissa lists HTTPS and TLS 1.2 with SHA-256 encryption for cloud services, along with stated security and compliance certifications. The Personator Enrich Cloud API plan is $14,300 a year, billed at $14,300 for 1,000,000 records/year. A free trial of Melissa verification services is offered. Data freshness is unspecified.