Head to head
Explorium vs Prospeo
As a data enrichment API, Explorium rates higher on the APIbenchmarks Index, 77.4 to 71.8, a 5.6-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Explorium | Prospeo |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 77.4 | 71.8 |
Specifications
| Explorium | Prospeo | |
|---|---|---|
| Best for | Agent-driven company and prospect enrichment | Verified email and mobile finding for outbound |
| Free tier | 100 free credits, valid 90 days (not recurring) | 100 credits/mo, API access included |
| Pricing | Prepaid credit packages | Per credit (email 0.5-1, mobile 10) |
| Official SDKs | 7 languages | 4 languages |
Is Explorium better than Prospeo?
On the APIbenchmarks Index, Explorium rates higher (77.4 vs 71.8). 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 5.6 points (77.4 vs 71.8) and wins 4 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 82 | 78 | |
| Reliability | 70 | 66 | |
| Ecosystem & SDKs | 74 | 62 | |
| Accessibility | 84 | 82 |
Choose Explorium if… / choose Prospeo if…
- →documentation & dx matters most to you (82 vs 78)
- →reliability matters most to you (70 vs 66)
- →ecosystem & sdks matters most to you (74 vs 62)
- →accessibility matters most to you (84 vs 82)
- →you need broad SDK coverage (7 official SDKs vs 4)
- →your use case matches its focus: agent-driven company and prospect enrichment
- →your use case matches its focus: verified email and mobile finding for outbound
Pricing side by side
- 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
- Model
- Per credit (email 0.5-1, mobile 10)
- Free tier
- 100 credits/mo, API access included
- Free$0
- StarterAbout $49/mo ($37/mo annual)
- GrowthAbout $99/mo ($74/mo annual)
- ProAbout $249/mo ($187/mo annual)
Vendor-published pricing, verified 2026-10-07 (Explorium) and 2026-10-07 (Prospeo).
SDK and language coverage
Both · 1
REST API (HTTPS / JSON)
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
Only Prospeo · 3
MCP server (mcp.prospeo.io)Composio and workflow-tool integrationsNo official SDKs found
Strengths and weaknesses
- +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
- +Free API access stated in the docs
- +Plan-tiered published rate limits and per-endpoint credit costs
- +Search over 200M+ contacts and 30M+ companies with 30+ filters
- –Unused credits expire every billing cycle
- –Per-user pricing multiplies for teams
- –Mobile reveals cost 10 credits
Explorium vs Prospeo: questions
- Which has better documentation, Explorium or Prospeo?
- Explorium scores higher on documentation and developer experience: 82 vs 78 out of 100.
- Which is more reliable, Explorium or Prospeo?
- Explorium scores higher on reliability: 70 vs 66 out of 100.
- Do Explorium and Prospeo have a free tier?
- Explorium: yes (100 free credits, valid 90 days (not recurring)). Prospeo: yes (100 credits/mo, API access included).
- How are Explorium and Prospeo priced?
- Explorium: Prepaid credit packages. Prospeo: Per credit (email 0.5-1, mobile 10).
- Which has more official SDKs?
- Explorium lists 7 official SDKs, Prospeo lists 4.