Head to head
Cognism vs Explorium
As a data enrichment API, Explorium rates higher on the APIbenchmarks Index, 77.4 to 60, a 17.4-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Cognism | Explorium |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 60.0 | 77.4 |
Specifications
| Cognism | Explorium | |
|---|---|---|
| Best for | GDPR-compliant EMEA contact data for sales teams | Agent-driven company and prospect enrichment |
| Free tier | No | 100 free credits, valid 90 days (not recurring) |
| Pricing | Annual platform contract + search tokens/credits | Prepaid credit packages |
| Official SDKs | 3 languages | 7 languages |
Is Cognism better than Explorium?
On the APIbenchmarks Index, Explorium rates higher (77.4 vs 60). 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
Explorium leads by 17.4 points (77.4 vs 60) and wins 4 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 72 | 82 | |
| Reliability | 66 | 70 | |
| Ecosystem & SDKs | 62 | 74 | |
| Accessibility | 32 | 84 |
Choose Cognism if… / choose Explorium if…
- →your use case matches its focus: gdpr-compliant emea contact data for sales teams
- →documentation & dx matters most to you (82 vs 72)
- →reliability matters most to you (70 vs 66)
- →ecosystem & sdks matters most to you (74 vs 62)
- →accessibility matters most to you (84 vs 32)
- →you want a free tier to start (100 free credits, valid 90 days (not recurring))
- →you need broad SDK coverage (7 official SDKs vs 3)
- →your use case matches its focus: agent-driven company and prospect enrichment
Pricing side by side
- Model
- Annual platform contract + search tokens/credits
- Free tier
- No
- FreeNone
- Platform plansCustom (third-party: about $15k-$25k/yr entry)
- Enterprise / Diamond dataCustom (third-party: $40k-$100k+/yr)
- Model
- Prepaid credit packages
- Free tier
- 100 free credits, valid 90 days (not recurring)
- Free trial$0
- Lite$29.99
- Starter$149.99
- Growth$749.99
- Scale$7,499.99
- EnterpriseCustom
Vendor-published pricing, verified 2026-10-07 (Cognism) and 2026-10-07 (Explorium).
SDK and language coverage
Both · 1
REST API (OAuth 2.0)
Only Cognism · 2
MCP serverNo official SDKs found
Only Explorium · 6
OpenAPI specification (/openapi.json)AgentSource MCP server (remote, Bearer auth)explorium-mcp-server (Python, pip)Python MCP SDK, LangGraph and OpenAI implementation guidesllms.txt documentation indexNo first-party REST language SDKs
Strengths and weaknesses
- +Clear OAuth 2.0 client-credentials auth with documented 20-minute tokens
- +Published rate limits (500 req/min per operation) with standard RateLimit headers
- +Separate search-token and credit metering visible in response headers
- –API requires a subscription entitlement and org-level enablement
- –No public pricing or free tier; contracts commonly $15k-$100k+/yr per third-party estimates
- –No official SDKs or changelog found
- +Self-serve free account and public prepaid packages from $29.99, no sales call needed
- +OpenAPI spec and llms.txt published alongside the API reference
- +Documented rate limit (200 queries/min) with X-RateLimit-* headers and Retry-After
- –No public status page or independent uptime history found; 99.999% uptime is a vendor claim
- –No first-party REST language SDKs; Python path uses the generic MCP SDK
- –Free credits are a one-time 100-credit, 90-day grant
Cognism vs Explorium: questions
- Which has better documentation, Cognism or Explorium?
- Explorium scores higher on documentation and developer experience: 82 vs 72 out of 100.
- Which is more reliable, Cognism or Explorium?
- Explorium scores higher on reliability: 70 vs 66 out of 100.
- Do Cognism and Explorium have a free tier?
- Cognism: no free tier. Explorium: yes (100 free credits, valid 90 days (not recurring)).
- How are Cognism and Explorium priced?
- Cognism: Annual platform contract + search tokens/credits. Explorium: Prepaid credit packages.
- Which has more official SDKs?
- Explorium lists 7 official SDKs, Cognism lists 3.