Head to head
Fiber vs Prospeo
As a data enrichment API, Prospeo rates higher on the APIbenchmarks Index, 71.8 to 69.9, a 1.9-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Fiber | Prospeo |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 69.9 | 71.8 |
Specifications
| Fiber | Prospeo | |
|---|---|---|
| Best for | Agent-native sales and recruiting data pipelines | Verified email and mobile finding for outbound |
| Free tier | No | 100 credits/mo, API access included |
| Pricing | Credit-based ($0.02/credit) on monthly plans | Per credit (email 0.5-1, mobile 10) |
| Official SDKs | 5 languages | 4 languages |
Is Fiber better than Prospeo?
On the APIbenchmarks Index, Prospeo rates higher (71.8 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
Prospeo leads by 1.9 points (71.8 vs 69.9) and wins 2 of 4 criteria; Fiber wins 2.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 80 | 78 | |
| Reliability | 60 | 66 | |
| Ecosystem & SDKs | 74 | 62 | |
| Accessibility | 62 | 82 |
Choose Fiber if… / choose Prospeo if…
- →documentation & dx matters most to you (80 vs 78)
- →ecosystem & sdks matters most to you (74 vs 62)
- →you need broad SDK coverage (5 official SDKs vs 4)
- →your use case matches its focus: agent-native sales and recruiting data pipelines
- →reliability matters most to you (66 vs 60)
- →accessibility matters most to you (82 vs 62)
- →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
- 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 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 (Fiber) and 2026-10-07 (Prospeo).
SDK and language coverage
Both · 0
None
Only Fiber · 5
Node.js / TypeScript (@fiberai/sdk)Python (fiberai)REST API and OpenAPIMCP servers (v3 OAuth, v2, lite)First-party coding-agent plugin
Only Prospeo · 4
REST APIMCP server (mcp.prospeo.io)Composio and workflow-tool integrationsNo official SDKs found
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
- +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
Fiber vs Prospeo: questions
- Which has better documentation, Fiber or Prospeo?
- Fiber scores higher on documentation and developer experience: 80 vs 78 out of 100.
- Which is more reliable, Fiber or Prospeo?
- Prospeo scores higher on reliability: 66 vs 60 out of 100.
- Do Fiber and Prospeo have a free tier?
- Fiber: no free tier. Prospeo: yes (100 credits/mo, API access included).
- How are Fiber and Prospeo priced?
- Fiber: Credit-based ($0.02/credit) on monthly plans. Prospeo: Per credit (email 0.5-1, mobile 10).
- Which has more official SDKs?
- Fiber lists 5 official SDKs, Prospeo lists 4.