Ocean.io API
Ocean.io is a B2B prospecting and lookalike search platform founded in 2017, headquartered in Copenhagen, Denmark, and Minneapolis, USA.
Publisher review
Ocean.io is a B2B prospecting and lookalike search platform founded in 2017, headquartered in Copenhagen, Denmark, and Minneapolis, USA. It is designed for sales and marketing teams who want to find new accounts that closely resemble their existing best customers, using an AI engine that translates company websites into mathematical vectors to understand what each company actually does. The platform targets mid-market and enterprise teams, particularly those in Europe needing GDPR-compliant data enrichment, and is used by companies like Clay, Twilio, Coinbase, and Aircall. Ocean.io has raised over $10 million in funding and employs approximately 64 people as of 2024.
Ocean.io's core capability is its AI-powered lookalike search, which scans a database of 67 million company profiles and 250 million employee profiles, each enriched with over 100 data points. Users can describe their ideal customer in plain language, and the AI returns a list of matching accounts with verified emails (1 credit each) and direct phone numbers (10 credits each). The platform offers a Chrome extension for viewing company and contact data directly in the browser, and integrates via API, MCP, webhook, and Clay to sync with CRM and outbound tools like Salesforce, HubSpot, Pipedrive, Attio, and Zapier. Ocean.io claims a 98% CRM match rate, meaning nearly all exported records match existing CRM entries, reducing duplicates.
In the market, Ocean.io competes with Apollo.io, Lusha, Spotler CRM, Bitrix24, and monday.com. Its primary differentiator is the AI lookalike engine that targets specific niches better than generic industry codes, and its European base ensures strict GDPR compliance. However, it lacks the full go-to-market platform coverage of Apollo.io (which includes sales engagement, email sequences, and dialer) and is more expensive than Lusha for basic contact data. Ocean.io's credit-based pricing can be unpredictable, and the platform is limited to niche prospecting without additional features like pipeline management or marketing automation.
The honest trade-offs: Ocean.io is expensive and only offers annual contracts, with a minimum of 9,000 credits per year at $0.063 per credit ($567 billed yearly). Credit burnout is possible even with typical overages, as search results cost 0.2 credits each, and direct phone numbers cost 10 credits each. The platform is simple and easy to use, but it lacks the breadth of a full go-to-market platform covering sales, marketing, and operations. Users report that the lookalike search may not work effectively for all use cases, and the credit system makes budgeting challenging. For teams needing a focused, GDPR-compliant lookalike engine with API access, Ocean.io is a solid choice, but those requiring a comprehensive sales platform should consider alternatives.
How it works
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AI-powered lookalike search
Uses AI to find companies similar to your best customers by analyzing website vectors and 100+ data points per company.
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67M company profiles
Access a database of 67 million company profiles with verified emails and direct phone numbers for prospecting.
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250M+ employee profiles
Enrich contacts from over 250 million LinkedIn profiles, with 98% CRM match rate to reduce duplicates.
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Plain language AI search
Describe your ideal customer in natural language and get matched accounts instantly, no complex filters needed.
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API and integrations
Integrate via REST API, MCP, webhook, or Clay to sync data with Salesforce, HubSpot, Pipedrive, and Zapier.
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Chrome extension
View company and contact data directly in your browser while browsing LinkedIn or company websites.
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Waterfall enrichment
Enrich data from 16+ sources with double email verification including catch-all detection, ensuring accuracy.
Strengths and trade-offs
Strengths
- Solid B2B prospecting capabilities with AI lookalike search that targets specific niches better than generic industry codes.
- European provider compliant with GDPR, making it a safe choice for teams in Europe handling sensitive B2B data.
- Simple prospecting tool without a steep learning curve, allowing users to start finding lookalikes by pasting a domain.
- No signup required to test the lookalike search, lowering the barrier to evaluate the platform before committing.
Trade-offs
- Expensive and only offers annual contracts, with minimum 9,000 credits per year at $567 billed upfront, no monthly option.
- Complex credit-based pricing with unpredictable costs, where search results cost 0.2 credits and direct phones cost 10 credits each.
- Credit burnout possible even with typical overages, as users may exhaust credits quickly on phone numbers and search results.
- Limited to niche prospecting without additional features like sales engagement, email sequences, or pipeline management.
Pricing context
Subscription starts at $47.25/month (billed yearly at $567 with 25% discount), minimum 9,000 credits. Credits cost $0.063 each; direct phone numbers cost 10 credits, verified emails cost 1 credit, search results cost 0.2 credits. Pay-as-you-go and custom enterprise plans available.
Getting started with Ocean.io API
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Sign up for Ocean.io
Go to the Ocean.io website and click the Sign Up button. Enter your email, set a password, and verify your account. You can also test the lookalike search without signing up by pasting a company domain on the homepage.
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Connect your CRM
Navigate to the Integrations section in your Ocean.io dashboard. Choose your CRM (Salesforce, HubSpot, Pipedrive, or Attio) and authorize the connection. This enables automatic syncing of exported records with a 98% match rate.
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Configure your API key
Go to the API settings in your account. Generate a new REST API key and copy it. Store the key securely; you will use it to authenticate requests when integrating Ocean.io data into your own applications or workflows.
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Run a lookalike search
In the search bar, paste a company domain or describe your ideal customer in plain language. Click Search. The AI will return a list of matching accounts from its database of 67 million companies, each costing 0.2 credits per result.
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Export and enrich contacts
Select the accounts you want to target. Click Export to choose verified emails (1 credit each) or direct phone numbers (10 credits each). The data syncs to your connected CRM or can be pulled via API for use in outbound campaigns.
Frequently Asked Questions
What is the Ocean.io API and how does it work?
The Ocean.io API lets you integrate its AI-powered lookalike search into your own tools. It scans 67 million company profiles and 250 million employee profiles, using website vectors to find accounts matching your ideal customer description. You can sync data with CRM systems like Salesforce and HubSpot.
How much does Ocean.io cost and how do credits work?
Ocean.io starts at $47.25 per month billed annually at $567 for 9,000 credits. Credits cost $0.063 each. Search results use 0.2 credits, verified emails cost 1 credit, and direct phone numbers cost 10 credits. Credit burnout is possible with heavy use.
Is Ocean.io GDPR compliant for B2B data enrichment?
Yes, Ocean.io is headquartered in Copenhagen, Denmark, making it a European provider with strict GDPR compliance. This is a key differentiator for teams in Europe handling sensitive B2B data. The platform ensures data enrichment meets EU privacy regulations.
What integrations does Ocean.io offer with CRM tools?
Ocean.io integrates via REST API, MCP, webhook, and Clay to sync with Salesforce, HubSpot, Pipedrive, Attio, and Zapier. It also offers a Chrome extension for viewing company and contact data directly in your browser while browsing LinkedIn or websites.
How does Ocean.io compare to Apollo.io for sales prospecting?
Ocean.io focuses on niche AI lookalike search with GDPR compliance, while Apollo.io offers a full go-to-market platform including sales engagement, email sequences, and dialer. Ocean.io is more expensive for basic contact data and lacks Apollo.io's breadth of features.
What are the main limitations of Ocean.io for prospecting?
Ocean.io only offers annual contracts with a minimum of 9,000 credits per year at $567 billed upfront. Its credit-based pricing can be unpredictable, and credit burnout is possible. It lacks sales engagement, email sequences, and pipeline management features found in broader platforms.
Alternatives
How Ocean.io API compares
Direct head-to-head against 2 competitors. Picked by 7wData.
Ocean.io API
- Pricing
- Subscription starts at $47.25/month (billed yearly at $567 with 25% discount), minimum 9,000 credits. Credits cost $0.063 each; direct phone numbers cost 10 credits, verified emails cost 1 credit, search results cost 0.2 credits. Pay-as-you-go and custom enterprise plans available.
- Target
- Ocean.io is a B2B prospecting and lookalike search platform founded in 2017, headquartered in Copenhagen, Denmark, and Minneapolis, USA.
- Strength
- Solid B2B prospecting capabilities with AI lookalike search that targets specific niches better than generic industry codes.
- Watch for
- Expensive and only offers annual contracts, with minimum 9,000 credits per year at $567 billed upfront, no monthly option.
ZoomInfo
- Pricing
- Custom/Contact sales
- Target
- US-focused sales teams
- Deployment
- Cloud
- Strength
- GTM Context Graph integrates CRM and behavioral data
- Watch for
- High cost for small teams
Full Enrich
- Pricing
- $0.60-1.20 per verified contact
- Target
- Teams needing cost-effective prospecting
- Deployment
- Cloud
- Strength
- 90%+ accuracy on verified contacts
- Watch for
- Limited advanced features compared to Ocean.io
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