Head to head
Lusha vs Seamless.AI
As a data enrichment API, Lusha rates higher on the APIbenchmarks Index, 73.7 to 68.3, a 5.4-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Lusha | Seamless.AI |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 73.7 | 68.3 |
Specifications
| Lusha | Seamless.AI | |
|---|---|---|
| Best for | Contact reveal inside sales workflows | Prospecting teams wanting UI plus API and MCP |
| Free tier | 40 credits/mo (API key on every plan, 100 req/day cap) | Free plan (50 lifetime credits per third party; API eligibility unconfirmed) |
| Pricing | Per credit (email 1, phone 5) | Per credit; sales-led Pro/Enterprise |
| Official SDKs | 5 languages | 6 languages |
Is Lusha better than Seamless.AI?
On the APIbenchmarks Index, Lusha rates higher (73.7 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
Lusha leads by 5.4 points (73.7 vs 68.3) and wins 2 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 76 | 76 | Tie |
| Reliability | 78 | 74 | |
| Ecosystem & SDKs | 68 | 68 | Tie |
| Accessibility | 72 | 50 |
Choose Lusha if… / choose Seamless.AI if…
- →reliability matters most to you (78 vs 74)
- →accessibility matters most to you (72 vs 50)
- →your use case matches its focus: contact reveal inside sales workflows
- →you need broad SDK coverage (6 official SDKs vs 5)
- →your use case matches its focus: prospecting teams wanting ui plus api and mcp
Pricing side by side
- Model
- Per credit (email 1, phone 5)
- Free tier
- 40 credits/mo (API key on every plan, 100 req/day cap)
- Free$0/mo
- Starter$49.90/mo ($37.45/mo annual)
- Professional$69.90/mo ($52.45/mo annual)
- Premium$399.90/mo ($299.95/mo annual)
- Scale / customCustom
- 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 (Lusha) and 2026-10-07 (Seamless.AI).
SDK and language coverage
Both · 2
MCP serverNo official language SDKs found
Only Lusha · 3
REST API v3 (HTTPS/JSON)Native connectors: HubSpot, Salesforce, n8nBrowser extension
Only Seamless.AI · 4
REST API (v1/v2)OpenAPI YAML/JSONPostman collectioncurl, Python and Node examples
Strengths and weaknesses
- +API key on every plan including Free per official docs
- +Published per-plan rate limits and credit costs
- +Broad endpoint set: person, company, prospecting, signals, lookalike
- –Free and Starter plans capped at 100 API requests/day
- –No official language SDKs found
- –Phone reveals cost 5 credits and phone accuracy is a frequent complaint
- +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
Lusha vs Seamless.AI: questions
- Which has better documentation, Lusha or Seamless.AI?
- Lusha and Seamless.AI score the same on documentation and developer experience (76).
- Which is more reliable, Lusha or Seamless.AI?
- Lusha scores higher on reliability: 78 vs 74 out of 100.
- Do Lusha and Seamless.AI have a free tier?
- Lusha: yes (40 credits/mo (API key on every plan, 100 req/day cap)). Seamless.AI: yes (Free plan (50 lifetime credits per third party; API eligibility unconfirmed)).
- How are Lusha and Seamless.AI priced?
- Lusha: Per credit (email 1, phone 5). Seamless.AI: Per credit; sales-led Pro/Enterprise.
- Which has more official SDKs?
- Seamless.AI lists 6 official SDKs, Lusha lists 5.