Head to head
ContactOut vs Fiber
As a data enrichment API, Fiber rates higher on the APIbenchmarks Index, 69.9 to 55, a 14.9-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | ContactOut | Fiber |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 55.0 | 69.9 |
Specifications
| ContactOut | Fiber | |
|---|---|---|
| Best for | LinkedIn-based email and phone lookup for recruiters and sales | Agent-native sales and recruiting data pipelines |
| 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 | Credit-based ($0.02/credit) on monthly plans |
| Official SDKs | 4 languages | 5 languages |
Is ContactOut better than Fiber?
On the APIbenchmarks Index, Fiber rates higher (69.9 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
Fiber leads by 14.9 points (69.9 vs 55) and wins 4 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 70 | 80 | |
| Reliability | 58 | 60 | |
| Ecosystem & SDKs | 50 | 74 | |
| Accessibility | 35 | 62 |
Choose ContactOut if… / choose Fiber 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 (60 vs 58)
- →ecosystem & sdks matters most to you (74 vs 50)
- →accessibility matters most to you (62 vs 35)
- →you need broad SDK coverage (5 official SDKs vs 4)
- →your use case matches its focus: agent-native sales and recruiting data pipelines
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
- Credit-based ($0.02/credit) on monthly plans
- Free tier
- No
- Prospector$300/mo
- Growth$900/mo
- Enterprise$2,400/mo
- Bulk / datasetsFrom $1,000/mo (datasets)
- Trial$0 for 7 days
Vendor-published pricing, verified 2026-10-07 (ContactOut) and 2026-10-07 (Fiber).
SDK and language coverage
Both · 0
None
Only ContactOut · 4
REST API (token header auth)Webhooks for async bulk v2Third-party MCP via Composio and viaSocketNo official SDKs or OpenAPI spec found
Only Fiber · 5
Node.js / TypeScript (@fiberai/sdk)Python (fiberai)REST API and OpenAPIMCP servers (v3 OAuth, v2, lite)First-party coding-agent plugin
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
- +Official Node (@fiberai/sdk) and Python (fiberai) SDKs
- +Three MCP servers (v3 OAuth, v2 API key, lite) and a first-party plugin
- +Agent-native docs: per-operation markdown, llms.txt and openapi.json
- –No free tier; entry plan $300/month
- –Trial requirements conflict between homepage and pricing page
- –No confirmed official status page or SLA
ContactOut vs Fiber: questions
- Which has better documentation, ContactOut or Fiber?
- Fiber scores higher on documentation and developer experience: 80 vs 70 out of 100.
- Which is more reliable, ContactOut or Fiber?
- Fiber scores higher on reliability: 60 vs 58 out of 100.
- Do ContactOut and Fiber have a free tier?
- ContactOut: yes (5 emails, 5 phones, 5 exports/day in the app; API not included). Fiber: no free tier.
- How are ContactOut and Fiber priced?
- ContactOut: Credits (search, email, phone) on a quoted API plan. Fiber: Credit-based ($0.02/credit) on monthly plans.
- Which has more official SDKs?
- Fiber lists 5 official SDKs, ContactOut lists 4.