Head to head
ContactOut vs Coresignal
As a ai candidate sourcing tools API, Coresignal rates higher on the APIbenchmarks Index, 75.2 to 55, a 20.2-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | ContactOut | Coresignal |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 55.0 | 75.2 |
Specifications
| ContactOut | Coresignal | |
|---|---|---|
| Best for | LinkedIn-based email and phone lookup for recruiters and sales | Raw professional and jobs data for engineering teams |
| Free tier | 5 emails, 5 phones, 5 exports/day in the app; API not included | No |
| Pricing | Credits (search, email, phone) on a quoted API plan | Monthly credit subscription (Collect + Search credits) |
| Official SDKs | 4 languages | 5 languages |
Is ContactOut better than Coresignal?
On the APIbenchmarks Index, Coresignal rates higher (75.2 vs 55). 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 20.2 points (75.2 vs 55) and wins 4 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 70 | 80 | |
| Reliability | 58 | 78 | |
| Ecosystem & SDKs | 50 | 66 | |
| Accessibility | 35 | 76 |
Choose ContactOut if… / choose Coresignal if…
- →you want a free tier to start (5 emails, 5 phones, 5 exports/day in the app; API not included)
- →your use case matches its focus: linkedin-based email and phone lookup for recruiters and sales
- →documentation & dx matters most to you (80 vs 70)
- →reliability matters most to you (78 vs 58)
- →ecosystem & sdks matters most to you (66 vs 50)
- →accessibility matters most to you (76 vs 35)
- →you need broad SDK coverage (5 official SDKs vs 4)
- →your use case matches its focus: raw professional and jobs data for engineering teams
Pricing side by side
- Model
- Credits (search, email, phone) on a quoted API plan
- Free tier
- 5 emails, 5 phones, 5 exports/day in the app; API not included
- Free$0
- Email~$49-$99/mo (sources conflict)
- Email + Phone~$99-$199/mo (sources conflict)
- Team / APICustom quote
- 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+
Vendor-published pricing, verified 2026-10-07 (ContactOut) and 2026-10-07 (Coresignal).
SDK and language coverage
Both · 1
REST API (token header auth)
Only ContactOut · 3
Webhooks for async bulk v2Third-party MCP via Composio and viaSocketNo official SDKs or OpenAPI spec found
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
Strengths and weaknesses
- +Public API reference with auth, endpoint credit rules and per-endpoint rate limits
- +Bulk enrichment up to 1,000 profiles per v2 job with webhook delivery
- +Boolean search, decision-maker and company endpoints plus email and phone verification
- –API is not on self-serve plans; Team/API requires a custom quote
- –Free app plan (5/5/5 per day) does not include API access
- –962 outages tracked by StatusGator over the past year, with a minor outage on the verification date
- +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
ContactOut vs Coresignal: questions
- Which has better documentation, ContactOut or Coresignal?
- Coresignal scores higher on documentation and developer experience: 80 vs 70 out of 100.
- Which is more reliable, ContactOut or Coresignal?
- Coresignal scores higher on reliability: 78 vs 58 out of 100.
- Do ContactOut and Coresignal have a free tier?
- ContactOut: yes (5 emails, 5 phones, 5 exports/day in the app; API not included). Coresignal: no free tier.
- How are ContactOut and Coresignal priced?
- ContactOut: Credits (search, email, phone) on a quoted API plan. Coresignal: Monthly credit subscription (Collect + Search credits).
- Which has more official SDKs?
- Coresignal lists 5 official SDKs, ContactOut lists 4.