Clearbit has been the gold standard for B2B data enrichment for years. If you’re building a SaaS product and want to know who signs up, Clearbit enrichment gives you company size, industry, funding, tech stack, and personal job title from just an email address.
It’s excellent. It’s also expensive. And for many use cases, you can get 80% of the value at 10% of the cost.
What Clearbit does
Clearbit’s flagship products:
Reveal: Identify anonymous website visitors by IP → company mapping. Tells you what companies visit your site before they sign up.
Enrichment: Given an email or domain, return a full company and person profile — industry, headcount, funding, revenue, tech stack, location, LinkedIn URL, and 100+ more fields.
Prospector: Build prospect lists by filtering Clearbit’s database (industry, company size, tech tools, etc.).
Forms: Shorten signup forms by auto-filling company data from just an email.
The quality of Clearbit’s data is high — they’ve invested heavily in data sourcing, validation, and their own crawling infrastructure. Match rates for U.S. companies are excellent. Enterprise integrations (Salesforce, HubSpot, Segment) are polished.
Clearbit pricing (the hard part)
Clearbit doesn’t publish pricing. In practice:
- Enrichment API: $99–$499+/month for 2,500–25,000 enrich calls/month
- Reveal: $500–$2,000+/month
- Full suite: Enterprise contracts starting at $12,000–$40,000/year
For a seed-stage startup, Clearbit enrichment is often out of reach. For a growth-stage company, the cost is justified by the data quality and native integrations.
Seek API enrichment approach
Seek API’s enrichment workers extract data from public sources at the time of the call:
- Company enrichment: From LinkedIn company pages, Crunchbase, and web presence
- Person enrichment: From LinkedIn profiles, email patterns, and professional databases
- Tech stack: From live website scan
- News and events: From Google News and press releases
The key difference: Clearbit is a database (pre-collected, near-instant lookup). Seek API is live extraction (fetched at call time, slightly slower, more current).
POST /v1/workers/company-enrichment/jobs
{ "domain": "stripe.com" }
Returns:
{
"name": "Stripe",
"domain": "stripe.com",
"industry": "Financial Technology",
"employees": "8,000-10,000",
"founded": 2010,
"headquarters": "San Francisco, CA",
"funding": "$8.7B raised, last round Series H 2021",
"description": "Global payment infrastructure...",
"technologies": ["AWS", "Cloudflare", "React", "Stripe"],
"linkedinUrl": "https://linkedin.com/company/stripe",
"recentNews": [...]
}
Direct comparison
| Clearbit | Seek API | |
|---|---|---|
| Data source | Proprietary database | Live extraction |
| Response time | under 100ms (instant) | 5–30s (job execution) |
| Match rate (US companies) | Very high (95%+) | High (85%+) |
| Match rate (global/SMB) | Moderate | Moderate |
| Data freshness | Updated periodically | Current at call time |
| Person enrichment | ✅ Excellent | ✅ Good |
| IP → Company (Reveal) | ✅ | ❌ |
| Tech stack | ✅ | ✅ |
| Funding data | ✅ | Partial |
| CRM integrations | Native (Salesforce, HubSpot) | Via API |
| Pricing | $1,200–$40,000/year | $0.005–$0.015/call |
When Clearbit is worth the premium
- Real-time forms: Clearbit Forms enriches in under 100ms — fast enough to complete a form before the user notices. Seek API’s job model (5–30s) isn’t suitable here.
- IP-based Reveal: Identifying anonymous visitors requires Clearbit’s IP database. Seek API doesn’t offer this.
- Match rate for enterprises: For Fortune 500 and large enterprise accounts, Clearbit’s data coverage is very comprehensive.
- Native Salesforce sync: If your GTM stack runs on Salesforce, Clearbit’s native field mapping is faster to implement than a custom API integration.
- Segment integration: Clearbit’s Segment integration enriches events automatically without any code changes.
When Seek API is the pragmatic choice
- Early-stage startups: $99–$499/month for enrichment is prohibitive at pre-revenue. $0.015/call is not.
- Periodic batch enrichment: If you enrich contacts once a month rather than in real-time, async job execution is fine.
- Fresh data priority: If you care more about current funding status or recent news than response speed, live extraction wins.
- Cost at scale: Enriching 50,000 leads/month: Clearbit costs $2,000–$5,000; Seek API costs $500–$750.
- Combined pipeline: When company enrichment is one step of a multi-worker pipeline (company data + LinkedIn profiles + email verification + tech stack), Seek API’s unified API is simpler than stitching together Clearbit + multiple other vendors.
A cost example: 10,000 enrichments/month over 12 months
| Clearbit | Seek API | |
|---|---|---|
| Monthly cost | ~$499 | ~$100–$150 |
| Annual total | ~$5,988 | ~$1,200–$1,800 |
| Difference | — | Save $4,000–$4,800/year |
At $4,000 saved per year, a startup could hire a part-time analyst or fund a meaningful marketing experiment.
The honest conclusion
Clearbit has better data depth, instant responses, native CRM integrations, and the Reveal product that Seek API can’t match. For mature sales-led companies where data quality converts to revenue, Clearbit’s premium is justified.
For developers, early-stage teams, and anyone doing batch enrichment where 85% match rates and 15-second job completion times are acceptable, Seek API provides extremely competitive data at a fraction of Clearbit’s cost.