Captain Data vs ProspectIn
Captain Data
- Platform: API and data infrastructure
- Best For: Sales intelligence and AI integrations
- Strength: Real-time intent data
- Users: 500 users
Starting at €99.98/month
ProspectIn
- Platform: LinkedIn only
- Best For: Outbound prospecting and sequences
- Strength: Safety-focused automation
- Users: 2011 users
Starting at €20/month
Table of Contents
At a Glance
Data and Enrichment
| Feature | Captain Data | ProspectIn |
|---|---|---|
| People and Company Profiles | ✓ Buyers Profile, People Profile, and Company Profile APIs with firmographics, skills, funding | ✗ No data enrichment; focuses on LinkedIn actions |
| Intent and Signals Data | ✓ Signals API for career, social, and review signals; real-time intent monitoring | ✗ No intent data; manual prospect import from LinkedIn |
| Multi-source Data Extraction | ✓ Unified outputs from multiple sources with high concurrency | ✗ Limited to LinkedIn searches, groups, and posts |
| Lead Enrichment | ✓ Email, skills, experience, growth metrics | ✗ Basic prospect data from LinkedIn only |
Automation and Outreach
| Feature | Captain Data | ProspectIn |
|---|---|---|
| Sequence-based Campaigns | ✗ API for automation workflows, but no built-in sequences | ✓ Multi-step connection requests and follow-up messages |
| Profile Visits and Actions | ✗ No direct actions; data for custom automations | ✓ Automated visits, endorsements, and messaging |
| Safety and Limits | ✓ Smart limits for compliance (SOC 2, GDPR) | ✓ Daily limits, randomized delays to mimic human behavior |
| API Concurrency and Scalability | ✓ Up to 40 requests/second for large-scale | ✗ Browser-based; limited scalability |
CRM and Management
| Feature | Captain Data | ProspectIn |
|---|---|---|
| Mini-CRM or Pipeline | ✗ Exports for integration with CRMs | ✓ Built-in mini-CRM with tags and stages |
| Dataset Exports | ✓ Scalable exports for millions of records | ✓ CSV import/export for leads |
| Team Collaboration | ✓ Support levels for teams (up to white-glove) | ✓ Shared templates and multi-account for agencies |
| Analytics | ✗ No built-in; API data for custom analytics | ✓ Basic reply and acceptance rates |
Integrations and Compliance
| Feature | Captain Data | ProspectIn |
|---|---|---|
| API Access | ✓ Unified APIs for all data types | ✗ Chrome extension and web dashboard only |
| Compliance Standards | ✓ SOC 2 Type II and GDPR compliant | ✗ Gray zone with LinkedIn TOS; risk of account bans |
| Engagement API | ✓ Messaging and connection workflows | ✗ Direct LinkedIn messaging automation |
| Multi-Account Support | ✗ API for multiple integrations | ✓ Agency plan for multiple LinkedIn accounts |
Pricing Comparison
Captain Data starts at €99.98/month with credit-based pricing for data operations, ideal for technical integrations. ProspectIn starts at €20/month for basic LinkedIn automation, offering better entry-level value for non-technical users.
Captain Data
Bronze Enrichment Example
€99.98/month
Small teams starting with enrichment
- Approximately 2,500 credits per month for enrichment and collection
- Most operations at 1 credit per record
- Real-time API automations
- Access to all data types
- Annual billing discount applied in example estimate
Titanium Intent Monitoring Example
Custom (example €1.49 per 1,000 credits)
Large-scale intent tracking
- Intent monitoring for entities such as companies and people
- Average of 5 credits per entity per month for comprehensive monitoring
- Discounted rate of €1.49 per 1,000 credits in example scenario
- Designed for large-scale tracking of buying signals
- Higher-tier support with custom SLAs and dedicated resources
Support Levels (Bronze to Titanium)
Custom
Teams needing varying support
- Bronze: basic email support
- Silver: priority email and chat support
- Gold: 24/7 support across channels
- Platinum: 24/7 priority Slack support with dedicated account manager
- Diamond and Titanium: white-glove service and custom SLAs
ProspectIn
Starter
€20/month
Solo users beginning outreach
- Basic LinkedIn automation for connection requests
- Simple follow-up message sequences
- Daily activity limits and safety controls
- Access to Chrome extension and web dashboard
Advanced
€40/month
Users needing full automation
- Full sequence builder with multi-step campaigns
- Automated profile visits and advanced actions
- Enhanced analytics and reporting
- Higher daily limits within safety thresholds
Agency
Custom
Teams and agencies
- Multiple LinkedIn account management
- Team collaboration and shared templates
- Priority support and onboarding assistance
- Advanced quotas and configuration options
Feature Deep Dive
Data Enrichment Capabilities
Captain Data
Strengths
- Buyers, People, and Company Profile APIs for comprehensive enrichment
- Real-time signals from career, social, and reviews across the web
- Multi-source extraction with unified structured outputs
- High concurrency for large-scale enrichment (40 req/sec)
- Buyer’s Ecosystem API for mapping connections and related entities
Workflow
Query API → Enrich records → Export or integrate data → Automate prospecting
ProspectIn
Strengths
- Import leads from LinkedIn searches, groups, and posts
- Basic prospect data capture via automation actions
- Mini-CRM for tagging and pipeline management
Workflow
Search LinkedIn → Import prospects → Tag and sequence → Outreach
Captain Data dominates in deep, real-time B2B data enrichment via APIs, ideal for technical integrations. ProspectIn offers basic LinkedIn-specific lead import but lacks advanced enrichment. Choose Captain Data for data infrastructure; ProspectIn for simple prospect lists.
Automation and Outreach
Captain Data
Strengths
- Engagement API for messaging, connections, and content workflows
- Smart limits and compliance for safe automation
- Scalable for millions of records with API flexibility
Limitations
- Requires custom development for outreach sequences
- No built-in UI for non-technical users
ProspectIn
Strengths
- Sequence-based campaigns with connection requests and follow-ups
- Automated profile visits and safety controls (delays, limits)
- Easy setup via Chrome extension for LinkedIn actions
Limitations
- Browser-based; fragile and TOS-risky
- Limited to LinkedIn; no multi-channel
ProspectIn is stronger for ready-to-use LinkedIn outreach automation with sequences and safety. Captain Data provides API building blocks for custom, scalable automations but needs engineering. ProspectIn wins for quick SDR workflows; Captain Data for integrated systems.
Lead Management & CRM
Captain Data
Strengths
- Scalable dataset exports for CRM integration
- Intent monitoring for ongoing signals
- Compliance ensures data quality for enterprise pipelines
Workflow
Enrich leads → Monitor signals → Export to CRM → Trigger actions
ProspectIn
Strengths
- Mini-CRM with tags, stages, and pipeline views
- Analytics for reply rates and acceptances
- Team-shared templates for collaboration
Limitations
- No advanced enrichment or signal tracking
- Basic compared to full CRMs
ProspectIn offers a simple built-in mini-CRM for LinkedIn leads, great for small teams. Captain Data focuses on data feeds for external CRMs, better for large-scale management. ProspectIn for standalone use; Captain Data for integrated sales ops.
Compliance, Scalability & Integrations
Captain Data
Strengths
- SOC 2 Type II and GDPR compliance
- High scalability with concurrency and smart limits
- Unified API for easy integration into SaaS/AI products
Limitations
- Credit-based pricing complexity
- Technical setup required
ProspectIn
Strengths
- Safety controls to avoid LinkedIn bans
- Affordable for small-scale use
- Chrome extension for quick setup
Limitations
- Gray area with LinkedIn TOS; account risks
- Limited scalability; browser-dependent
Captain Data excels in enterprise compliance and API scalability for large workloads. ProspectIn provides basic safety for LinkedIn but carries TOS risks and lacks depth. For regulated, high-volume use, Captain Data; for casual outreach, ProspectIn.
Use Case Comparison
B2B SaaS Product Builder
Captain Data 🏆
Excellent
APIs for real-time intent data integrate seamlessly into products for sales intelligence.
Best Plan: Bronze (€99.98/month) or Titanium (Custom)
Score: 10/10
ProspectIn
Poor
Limited to LinkedIn automation; no API for product integration.
Best Plan: Not suitable
Score: 2/10
SDR Focused on LinkedIn Outreach
Captain Data
Fair
Data enrichment useful but requires custom automation setup.
Best Plan: Bronze (€99.98/month)
Score: 6/10
ProspectIn 🏆
Excellent
Sequence automation and safety perfect for daily LinkedIn prospecting.
Best Plan: Advanced (€40/month)
Score: 9/10
AI Agent Developer Needing B2B Data
Captain Data 🏆
Excellent
Real-time APIs for intent and enrichment fuel AI models and agents.
Best Plan: Titanium (Custom)
Score: 10/10
ProspectIn
Poor
No data APIs; only LinkedIn actions.
Best Plan: Not suitable
Score: 1/10
Solo Founder Running Outbound
Captain Data
Good
Enrichment for leads but technical setup may overwhelm solos.
Best Plan: Bronze (€99.98/month)
Score: 7/10
ProspectIn 🏆
Excellent
Affordable, easy LinkedIn sequences for quick prospecting.
Best Plan: Starter (€20/month)
Score: 9/10
Revenue Ops Team Automating Prospecting
Captain Data 🏆
Excellent
Scalable APIs and exports for large workflows and CRM integration.
Best Plan: Titanium (Custom)
Score: 9/10
ProspectIn
Fair
Good for LinkedIn but limited scalability and channels.
Best Plan: Advanced (€40/month)
Score: 5/10
Recruiter Sourcing via LinkedIn
Captain Data
Good
People profiles and skills data for enrichment.
Best Plan: Bronze (€99.98/month)
Score: 7/10
ProspectIn 🏆
Excellent
Automation for visits and connections tailored to recruiting.
Best Plan: Advanced (€40/month)
Score: 9/10
Growth Team Running Large Outbound
Captain Data 🏆
Excellent
High concurrency and intent monitoring for scale.
Best Plan: Titanium (Custom)
Score: 10/10
ProspectIn
Good
Sequences work but browser limits scale.
Best Plan: Agency (Custom)
Score: 6/10
Agency Managing LinkedIn for Clients
Captain Data
Fair
API for custom client data but no agency UI.
Best Plan: Support Levels (Custom)
Score: 5/10
ProspectIn 🏆
Excellent
Multi-account and shared templates for agency use.
Best Plan: Agency (Custom)
Score: 8/10
Team Replacing Static Databases
Captain Data 🏆
Excellent
Live intent APIs over static data.
Best Plan: Titanium (Custom)
Score: 10/10
ProspectIn
Poor
No database replacement; action-focused.
Best Plan: Not suitable
Score: 2/10
Budget-Conscious SDR
Captain Data
Poor
High price and technical barrier.
Best Plan: Not ideal
Score: 3/10
ProspectIn 🏆
Excellent
Low-cost entry for effective LinkedIn automation.
Best Plan: Starter (€20/month)
Score: 9/10
Enterprise Sales Operations
Captain Data 🏆
Excellent
Compliance, scalability, and custom support.
Best Plan: Titanium (Custom)
Score: 9/10
ProspectIn
Fair
Agency plan but TOS risks for enterprise.
Best Plan: Agency (Custom)
Score: 4/10
Consultant for Personal Prospecting
Captain Data
Good
Enrichment for targeted outreach.
Best Plan: Bronze (€99.98/month)
Score: 6/10
ProspectIn 🏆
Excellent
Simple, safe LinkedIn sequences for individuals.
Best Plan: Starter (€20/month)
Score: 8/10
Pros and Cons
Captain Data
Pros
- Unified API for people, company, and intent data, reducing integration complexity
- Strong focus on real-time signals rather than static databases
- Rich set of enrichment and data collection actions across multiple sources
- High scalability with concurrency and smart limits for safe automation
- Compliance with SOC 2 Type II and GDPR, suitable for enterprise use
- Scalable dataset exports for millions of records
- Flexible credit-based pricing for varying workloads
Cons
- Credit-based pricing can be hard to predict for new users
- Best value requires engineering resources and technical integration
- Not ideal for non-technical marketers who just need simple lead lists
- Pricing examples are clear, but full tier structure and exact names are not fully disclosed publicly
- Focused on infrastructure and data, not on content creation or personal branding
- No built-in UI for quick outreach; API-centric
ProspectIn
Pros
- Strong sequence-based automation for LinkedIn outreach
- Built-in safety controls with daily limits and randomized delays
- Mini-CRM and tagging for managing prospects and campaigns
- Generally affordable pricing for solo users and small teams
- Team features available for agencies and multi-account setups
- Easy import of leads from LinkedIn searches, groups, and posts
- Basic analytics for acceptance and reply rates
Cons
- Relies on browser-based automation that can be fragile and risky
- Operates in a gray zone with respect to LinkedIn’s terms of service
- Interface and UX feel dated compared to newer platforms
- Development focus has shifted toward its successor, Waalaxy
- Requires careful configuration and monitoring to avoid account issues
- No data enrichment or multi-channel support
- Limited scalability for large teams
Final Verdict
Captain Data and ProspectIn target different aspects of B2B prospecting. Captain Data is an API platform for real-time data enrichment and intent signals, suited for technical sales ops and AI integrations. ProspectIn is a LinkedIn automation tool for safe outreach sequences, ideal for SDRs and agencies but with TOS risks.
Choose Captain Data for data-driven infrastructure and integrations. Choose ProspectIn for straightforward LinkedIn outreach. Combine them for enriched leads fed into automated sequences.
Overall Scores
Captain Data
ProspectIn
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