Head to head
Clearbit (Breeze Intelligence) vs Seamless.AI
As a data enrichment API, Seamless.AI rates higher on the APIbenchmarks Index, 68.3 to 59.6, a 8.7-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Clearbit (Breeze Intelligence) | Seamless.AI |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 59.6 | 68.3 |
Specifications
| Clearbit (Breeze Intelligence) | Seamless.AI | |
|---|---|---|
| Best for | CRM-native enrichment in HubSpot | Prospecting teams wanting UI plus API and MCP |
| Free tier | No | Free plan (50 lifetime credits per third party; API eligibility unconfirmed) |
| Pricing | HubSpot plan + credit packs | Per credit; sales-led Pro/Enterprise |
| Official SDKs | 4 languages | 6 languages |
Is Clearbit (Breeze Intelligence) better than Seamless.AI?
On the APIbenchmarks Index, Seamless.AI rates higher (68.3 vs 59.6). 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
Seamless.AI leads by 8.7 points (68.3 vs 59.6) and wins 3 of 4 criteria; Clearbit (Breeze Intelligence) wins 1.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 58 | 76 | |
| Reliability | 80 | 74 | |
| Ecosystem & SDKs | 55 | 68 | |
| Accessibility | 42 | 50 |

Choose Clearbit (Breeze Intelligence) if… / choose Seamless.AI if…
- →reliability matters most to you (80 vs 74)
- →your use case matches its focus: crm-native enrichment in hubspot
- →documentation & dx matters most to you (76 vs 58)
- →ecosystem & sdks matters most to you (68 vs 55)
- →accessibility matters most to you (50 vs 42)
- →you want a free tier to start (Free plan (50 lifetime credits per third party; API eligibility unconfirmed))
- →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
- HubSpot plan + credit packs
- Free tier
- No
- Breeze Intelligence credit pack (entry)$45/mo (annual) / $50/mo (monthly)
- 1,000-credit pack~$450/mo (est.)
- 10,000-credit pack~$4,500/mo (est.)
- HubSpot Starter (required platform)from $15/mo
- HubSpot Professional (required platform)~$1,170/mo
- HubSpot Enterprise (required platform)~$4,135/mo
- 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 2026-06-27 (Clearbit (Breeze Intelligence)) and 2026-10-07 (Seamless.AI).
SDK and language coverage
Both · 0
None
Only Clearbit (Breeze Intelligence) · 4
Ruby (clearbit-ruby gem, unmaintained)Node.js (clearbit-node, unmaintained)Python (clearbit-python, unmaintained)REST / HTTP API (HTTP Basic auth)
Only Seamless.AI · 6
REST API (v1/v2)OpenAPI YAML/JSONPostman collectionMCP servercurl, Python and Node examplesNo official language SDKs found
Strengths and weaknesses
- +Strong, well-regarded firmographic accuracy (80-90% per G2) for US companies with 50+ employees
- +100+ firmographic and technographic attributes across ~50M+ companies
- +Native, deeply integrated enrichment inside HubSpot CRM with auto-fill on records
- –No longer available as a standalone product, requires a paid HubSpot subscription, with no new API keys for accounts created in 2024+
- –Standalone Enrichment, Logo, and Prospector APIs deprecated; no first-party integration for Salesforce, Pipedrive, or non-HubSpot CRMs (lock-in)
- –Weak coverage for SMBs under 50 employees and companies outside North America / Western Europe
- +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
Clearbit (Breeze Intelligence) vs Seamless.AI: questions
- Which has better documentation, Clearbit (Breeze Intelligence) or Seamless.AI?
- Seamless.AI scores higher on documentation and developer experience: 76 vs 58 out of 100.
- Which is more reliable, Clearbit (Breeze Intelligence) or Seamless.AI?
- Clearbit (Breeze Intelligence) scores higher on reliability: 80 vs 74 out of 100.
- Do Clearbit (Breeze Intelligence) and Seamless.AI have a free tier?
- Clearbit (Breeze Intelligence): no free tier. Seamless.AI: yes (Free plan (50 lifetime credits per third party; API eligibility unconfirmed)).
- How are Clearbit (Breeze Intelligence) and Seamless.AI priced?
- Clearbit (Breeze Intelligence): HubSpot plan + credit packs. Seamless.AI: Per credit; sales-led Pro/Enterprise.
- Which has more official SDKs?
- Seamless.AI lists 6 official SDKs, Clearbit (Breeze Intelligence) lists 4.
