The short answer
Seamless.AI is billed per credit; sales-led pro/enterprise. It has a free tier: Free plan (50 lifetime credits per third party; API eligibility unconfirmed). Paid usage is quoted by the vendor rather than listed as a public price.
Plans and prices
| Plan | Price | What it covers |
|---|---|---|
| Free | $0 | Small credit allotment (third parties report 50 lifetime credits); API eligibility not confirmed in primary docs. |
| Pro | Contact sales (third-party: about $4,740-$9,000/yr for 5 users) | Credit-based; no public price list. |
| Enterprise | Custom | Unlimited credits per vendor claims; add-ons such as API access reported as Enterprise-level by third parties. |
How Seamless.AI bills you
The pricing model is per credit; sales-led pro/enterprise. Sales-prospecting platform with a modern async public API, OpenAPI specs and a 57-tool MCP server, but API-plan eligibility is unclear in public sources and Pro/Enterprise pricing is sales-led. Best suited to: prospecting teams wanting ui plus api and mcp.
What to watch for on the bill
- Pro and Enterprise pricing is sales-led
The pricing page we read

Source: https://seamless.ai/pricing. Prices change, so confirm there before you commit.
Compare Seamless.AI with alternatives
Other data enrichment apis: Crustdata, People Data Labs, Bright Data, Apollo.io, Hunter.
Looking at quality rather than price? See the Seamless.AI score on APIbenchmarks. Full entry: Seamless.AI pricing.