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B2B Data API Comparison

Head-to-head pages for the vendors you are likely shortlisting. Sourced list prices, cost at 1M records, and a plain verdict by buyer.

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How we compare

Every comparison here uses public list prices, each with a source link and the month we checked it (September 2026). We do not use a sales quote, a rumor or a rate we worked out ourselves. If a price changes, the source link shows where to check it.

When a vendor does not publish a price at 1M records, the page says "No public 1M price". We never multiply a per-record rate out to 1M and call it a quote. Each page ends with a verdict by buyer: who should pick which tool, and why. We say which tool wins for which buyer, including when it is not LeadOcean.

All comparisons

Grouped by the first tool in the pair. Each page covers data size, email and phone coverage, API, MCP, rate limits and cost at 1M records.

Apollo.io

Clay

People Data Labs

ZoomInfo

How to read a comparison

  • Price basis. Monthly list price comes first, the billed-yearly figure after it. Compare like with like.
  • Cost at 1M. A settled figure with a source, or "No public 1M price". Nothing in between.
  • Open facts. Anything we could not confirm is flagged as open, with where to look, rather than guessed. You will not find a number on these pages that has no source.
  • The verdict. It is by buyer type: API developer, sales team, agency, AI agent user. Pick the line that matches you.

If you want to price LeadOcean against any of them, see pricing: Free (1,000 records, one-off) and Pro at $499 a month.

Test the data yourself before you pick a vendor

Free to start. No credit card. 1,000 records to spend whenever you like.

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