Last updated 06-24-2026
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Bytemine
Bytemine is a B2B data platform and API provider for sales, marketing, and go-to-market teams. It offers access to 135M+ contacts, 80M+ verified mobile numbers, and 10M+ company profiles updated daily. Teams use it to search prospects, enrich records, build lists, and feed live contact data into CRMs, outbound sequences, and AI workflows.
The product spans a no-code platform suite and a developer API layer. The platform includes prospect search, ICP building, CSV enrichment, email validation, and a LinkedIn Chrome extension that scores warm leads. APIs return 50+ verified attributes per contact with sub-200ms response times, and failed lookups are not charged under pay-per-success pricing.
Sales teams, SDRs, RevOps engineers, marketers, and developers use Bytemine to power outbound campaigns, automate enrichment pipelines, and connect B2B data to tools like Clay, Apollo, and Instantly. An MCP Server exposes 25 data tools to Claude, Cursor, and other AI assistants for prospecting and account research inside chat workflows.
Bytemine builds and manages its own contact database from 100+ aggregated and verified sources. The company states it is bootstrapped and profitable, with unlimited seats included on every plan.
135M+ B2B contacts with 50+ attributes per record
REST APIs for contact, company, and enrichment data
MCP Server with 25 tools for Claude and Cursor
LinkedIn Chrome extension with warm lead scoring
Bulk CSV enrichment and email validation
ICP builder and company lookalike search
Integrations with Clay, Apollo, ZoomInfo, and Instantly
Free Starter tier includes 500 credits per month for 12 months with no credit card.
Unlimited seats on every plan with no per-user pricing.
Pay-per-success billing charges only for successful contact lookups.
Mobile number coverage is 59.3% of contact profiles, not universal across all records.
Enterprise features like SSO, webhooks, and unlimited credits require custom pricing.
The LinkedIn Agent is a Chrome extension only, with no standalone mobile app.
Does Bytemine have a free plan?
Yes. Bytemine's Starter plan is free and includes 500 credits per month for 12 months with no credit card required. It includes full API access, AI search, CSV enrichment, CRM lists, and unlimited seats.
How many contacts are in the Bytemine database?
Bytemine's database includes 135M+ B2B contact profiles, 80M+ mobile numbers, 79M+ work emails, 109M+ personal emails, and 10M+ company records. Data is aggregated from 100+ sources and updated continuously.
Does Bytemine offer an API?
Yes. Bytemine provides RESTful APIs for B2B contacts, companies, enrichment, web crawling, signals, and AI-powered apps. The Developer Hub includes code examples and Postman documentation. Sub-200ms response times are advertised.
What is the Bytemine LinkedIn Agent?
Bytemine LinkedIn Agent is a free Chrome extension that scores warm leads from your LinkedIn network using 12+ engagement signals, generates context-aware reply suggestions, and enriches profiles with verified emails and mobile numbers without leaving LinkedIn.
Does Bytemine integrate with Clay and Apollo?
Yes. Bytemine integrates with Clay for waterfall enrichment and list building, and with Apollo for exporting enriched contacts into outbound sequences. It also connects to ZoomInfo, Instantly, Lemlist, and Smartlead.
How does Bytemine pricing work?
Bytemine charges 1 credit per fully enriched contact record with 50+ data points. The Starter plan is free with 500 credits/month for a year. Pro costs $250/month for 7,500 credits (15,000 during a limited 2X promotion). Enterprise plans offer custom unlimited credits.
Is Bytemine VC-funded?
No. Bytemine states it is bootstrapped and profitable with zero outside investors. The company cites owning its own data pipeline and low overhead as reasons for lower per-record pricing compared to competitors.