Head to head
Fiber vs People Data Labs
As a data enrichment API, People Data Labs rates higher on the APIbenchmarks Index, 84.9 to 69.9, a 15-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Fiber | People Data Labs |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 69.9 | 84.9 |
Specifications
| Fiber | People Data Labs | |
|---|---|---|
| Best for | Agent-native sales and recruiting data pipelines | Bulk person/company data for builders |
| Free tier | No | 100 person/company lookups/mo (emails/phones obfuscated) |
| Pricing | Credit-based ($0.02/credit) on monthly plans | Per enrichment credit |
| Official SDKs | 5 languages | 7 languages |
Is Fiber better than People Data Labs?
On the APIbenchmarks Index, People Data Labs rates higher (84.9 vs 69.9). 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
People Data Labs leads by 15 points (84.9 vs 69.9) and wins 4 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 80 | 88 | |
| Reliability | 60 | 82 | |
| Ecosystem & SDKs | 74 | 80 | |
| Accessibility | 62 | 90 |
Choose Fiber if… / choose People Data Labs if…
- →your use case matches its focus: agent-native sales and recruiting data pipelines
- →documentation & dx matters most to you (88 vs 80)
- →reliability matters most to you (82 vs 60)
- →ecosystem & sdks matters most to you (80 vs 74)
- →accessibility matters most to you (90 vs 62)
- →you want a free tier to start (100 person/company lookups/mo (emails/phones obfuscated))
- →you need broad SDK coverage (7 official SDKs vs 5)
- →your use case matches its focus: bulk person/company data for builders
Pricing side by side
- 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
- Model
- Per enrichment credit
- Free tier
- 100 person/company lookups/mo (emails/phones obfuscated)
- Free$0/mo
- ProFrom ~$98/mo
- EnterpriseCustom (commonly $20k-$100k+/yr)
Vendor-published pricing, verified 2026-10-07 (Fiber) and 2026-06-27 (People Data Labs).
SDK and language coverage
Both · 1
Python (fiberai)
Only Fiber · 4
Node.js / TypeScript (@fiberai/sdk)REST API and OpenAPIMCP servers (v3 OAuth, v2, lite)First-party coding-agent plugin
Only People Data Labs · 6
JavaScript / TypeScript (Node + browser)GoRubyRustcURL / RESTOpenAPI (Swagger) specification
Strengths and weaknesses
- +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
- +Pay only for successful matches (HTTP 200), missed lookups are not billed
- +Very large breadth: 3B+ person profiles across 200+ countries and ~70M company profiles
- +Developer-first REST API with Elasticsearch-style search queries praised as flexible and well-documented
- –Data refreshes roughly monthly, so job titles and employers can be weeks-to-months stale
- –Heavy reliance on LinkedIn means non-LinkedIn people are under-represented and some self-reported titles leak through
- –Verified emails and direct-dial phones often require extra Person Identify calls at higher per-match cost
Fiber vs People Data Labs: questions
- Which has better documentation, Fiber or People Data Labs?
- People Data Labs scores higher on documentation and developer experience: 88 vs 80 out of 100.
- Which is more reliable, Fiber or People Data Labs?
- People Data Labs scores higher on reliability: 82 vs 60 out of 100.
- Do Fiber and People Data Labs have a free tier?
- Fiber: no free tier. People Data Labs: yes (100 person/company lookups/mo (emails/phones obfuscated)).
- How are Fiber and People Data Labs priced?
- Fiber: Credit-based ($0.02/credit) on monthly plans. People Data Labs: Per enrichment credit.
- Which has more official SDKs?
- People Data Labs lists 7 official SDKs, Fiber lists 5.