Head to head
Hunter vs Seamless.AI
As a data enrichment API, Hunter rates higher on the APIbenchmarks Index, 78.9 to 68.3, a 10.6-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Hunter | Seamless.AI |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 78.9 | 68.3 |
Specifications
| Hunter | Seamless.AI | |
|---|---|---|
| Best for | Email finding and verification for outreach | Prospecting teams wanting UI plus API and MCP |
| Free tier | 50 credits/mo, API included | Free plan (50 lifetime credits per third party; API eligibility unconfirmed) |
| Pricing | Per credit (1 per email found, 0.5 per verification) | Per credit; sales-led Pro/Enterprise |
| Official SDKs | 4 languages | 6 languages |
Is Hunter better than Seamless.AI?
On the APIbenchmarks Index, Hunter rates higher (78.9 vs 68.3). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.
Verdict in one line
Hunter leads by 10.6 points (78.9 vs 68.3) and wins 3 of 4 criteria; Seamless.AI wins 1.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 84 | 76 | |
| Reliability | 80 | 74 | |
| Ecosystem & SDKs | 66 | 68 | |
| Accessibility | 86 | 50 |
Choose Hunter if… / choose Seamless.AI if…
- →documentation & dx matters most to you (84 vs 76)
- →reliability matters most to you (80 vs 74)
- →accessibility matters most to you (86 vs 50)
- →your use case matches its focus: email finding and verification for outreach
- →ecosystem & sdks matters most to you (68 vs 66)
- →you need broad SDK coverage (6 official SDKs vs 4)
- →your use case matches its focus: prospecting teams wanting ui plus api and mcp
Pricing side by side
- Model
- Per credit (1 per email found, 0.5 per verification)
- Free tier
- 50 credits/mo, API included
- Free$0
- StarterEUR 34/mo discounted (EUR 49 regular)
- GrowthEUR 104/mo discounted (EUR 149 regular)
- ScaleEUR 209/mo discounted (EUR 299 regular)
- Data PlatformFrom EUR 6,500
- Model
- Per credit; sales-led Pro/Enterprise
- Free tier
- Free plan (50 lifetime credits per third party; API eligibility unconfirmed)
- Free$0
- ProContact sales (third-party: about $4,740-$9,000/yr for 5 users)
- EnterpriseCustom
Vendor-published pricing, verified 2026-10-07 (Hunter) and 2026-10-07 (Seamless.AI).
SDK and language coverage
Both · 1
MCP server
Only Hunter · 3
REST API v2 (query, header or bearer key)OpenAPI JSONCommunity libraries only (npm hunterio, Ruby gem)
Only Seamless.AI · 5
REST API (v1/v2)OpenAPI YAML/JSONPostman collectioncurl, Python and Node examplesNo official language SDKs found
Strengths and weaknesses
- +API access included on the permanent Free plan
- +Published OpenAPI JSON and per-endpoint rate limits
- +Test API key for Domain Search, Email Finder and Email Verifier
- –No official SDKs found, community wrappers only
- –Narrow scope: strongest on work emails, weak on phones and non-public contacts
- –Free tier is only 50 credits/month
- +Modern async API with webhooks or polling plus OpenAPI YAML/JSON specs
- +MCP server with 57 tools documented for Claude, Cursor, VS Code and ChatGPT
- +Published rate limits and simple credit rules (search 1 credit per 10 results; polling free)
- –Plan eligibility for the API is unclear and sources conflict
- –60 requests/min per endpoint, restrictive for bulk jobs
- –Pro and Enterprise pricing is sales-led
Hunter vs Seamless.AI: questions
- Which has better documentation, Hunter or Seamless.AI?
- Hunter scores higher on documentation and developer experience: 84 vs 76 out of 100.
- Which is more reliable, Hunter or Seamless.AI?
- Hunter scores higher on reliability: 80 vs 74 out of 100.
- Do Hunter and Seamless.AI have a free tier?
- Hunter: yes (50 credits/mo, API included). Seamless.AI: yes (Free plan (50 lifetime credits per third party; API eligibility unconfirmed)).
- How are Hunter and Seamless.AI priced?
- Hunter: Per credit (1 per email found, 0.5 per verification). Seamless.AI: Per credit; sales-led Pro/Enterprise.
- Which has more official SDKs?
- Seamless.AI lists 6 official SDKs, Hunter lists 4.