Head to head
Coresignal vs Prospeo
As a data enrichment API, Coresignal rates higher on the APIbenchmarks Index, 75.2 to 71.8, a 3.4-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Coresignal | Prospeo |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 75.2 | 71.8 |
Specifications
| Coresignal | Prospeo | |
|---|---|---|
| Best for | Raw professional and jobs data for engineering teams | Verified email and mobile finding for outbound |
| Free tier | No | 100 credits/mo, API access included |
| Pricing | Monthly credit subscription (Collect + Search credits) | Per credit (email 0.5-1, mobile 10) |
| Official SDKs | 5 languages | 4 languages |
Is Coresignal better than Prospeo?
On the APIbenchmarks Index, Coresignal rates higher (75.2 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
Coresignal leads by 3.4 points (75.2 vs 71.8) and wins 3 of 4 criteria; Prospeo wins 1.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 80 | 78 | |
| Reliability | 78 | 66 | |
| Ecosystem & SDKs | 66 | 62 | |
| Accessibility | 76 | 82 |
Choose Coresignal if… / choose Prospeo if…
- →documentation & dx matters most to you (80 vs 78)
- →reliability matters most to you (78 vs 66)
- →ecosystem & sdks matters most to you (66 vs 62)
- →you need broad SDK coverage (5 official SDKs vs 4)
- →your use case matches its focus: raw professional and jobs data for engineering teams
- →accessibility matters most to you (82 vs 76)
- →you want a free tier to start (100 credits/mo, API access included)
- →your use case matches its focus: verified email and mobile finding for outbound
Pricing side by side
- Model
- Monthly credit subscription (Collect + Search credits)
- Free tier
- No
- Free trial$0
- Mini$49/mo
- Starter$199/mo
- Pro$499/mo
- Growth to Elite$1,000 to $5,000/mo
- DatasetsFrom $1,000+
- 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 (Coresignal) and 2026-10-07 (Prospeo).
SDK and language coverage
Both · 1
REST API (HTTPS / JSON)
Only Coresignal · 4
Coresignal MCP server (Node.js via mcp-remote)API playgrounds (web)llms.txt / llms-full.txt documentation exportsNo official language SDKs found
Only Prospeo · 3
MCP server (mcp.prospeo.io)Composio and workflow-tool integrationsNo official SDKs found
Strengths and weaknesses
- +Transparent self-serve credit plans from $49/month, no sales call to start
- +Quickstart, API playgrounds, rate-limit reference and llms.txt/llms-full.txt exports in the docs
- +Official MCP server for Claude, Cursor and other MCP clients
- –No official language SDKs, OpenAPI spec page or Postman collection found in the docs index
- –Free access is a 7-day trial only, not a recurring free tier
- –Company data refreshes roughly monthly per third-party reviews; no direct-dial phone numbers
- +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
Coresignal vs Prospeo: questions
- Which has better documentation, Coresignal or Prospeo?
- Coresignal scores higher on documentation and developer experience: 80 vs 78 out of 100.
- Which is more reliable, Coresignal or Prospeo?
- Coresignal scores higher on reliability: 78 vs 66 out of 100.
- Do Coresignal and Prospeo have a free tier?
- Coresignal: no free tier. Prospeo: yes (100 credits/mo, API access included).
- How are Coresignal and Prospeo priced?
- Coresignal: Monthly credit subscription (Collect + Search credits). Prospeo: Per credit (email 0.5-1, mobile 10).
- Which has more official SDKs?
- Coresignal lists 5 official SDKs, Prospeo lists 4.