Prompt
Need API for company data with good coverage
Latest observation
If you want an API for company data with good coverage, here are the strongest options depending on what “company data” means for you:
Best all-around options
- Clearbit – Great for company enrichment, firmographics, domain/company matching, tech stack, social profiles.
- Crunchbase API – Best for startup/company profiles, funding, investors, acquisitions, industry info.
- Dun & Bradstreet – Strong for global business identity, credit/risk, hierarchy, and coverage.
- Apollo API – Good for company + contact data, especially sales intelligence use cases.
- ZoomInfo – Very strong coverage for B2B/company and people data, but usually enterprise-priced.
For official/registry-style company data
- Companies House API – Excellent if you only need UK registered company data.
- OpenCorporates API – Broad global company registry coverage.
- GLEIF API – For legal entity identifiers (LEI) and entity relationships.
If you need verified business/location data
- Google Places API – Great for businesses with locations, addresses, hours, etc.
- Foursquare / Yelp – Useful for place/business discovery, less for corporate firmographics.
Quick recommendations by use case
- Sales prospecting / enrichment: Clearbit, Apollo, ZoomInfo
- Startup/funding research: Crunchbase
- Compliance / legal entity lookup: Dun & Bradstreet, OpenCorporates, GLEIF
- UK companies: Companies House
- Global broad coverage: Dun & Bradstreet or OpenCorporates
Important note
“Good coverage” can mean different things:
- breadth: how many companies/countries
- depth: fields like revenue, headcount, funding, subsidiaries
- freshness: how often it updates
- accuracy: whether data is verified
If you want, I can give you a ranked shortlist by budget, or a comparison table for 5 APIs based on:
- coverage
- accuracy
- pricing
- global availability
- ease of integration
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
How can brands improve their AEO?
Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as dotdotPR. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.
Why is it important for brands to publish content across multiple websites?
Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.
Want this interpreted for your brand?
Explorer is the free public corpus. The Obsurfable App matches this evidence to your company, surfaces opportunities, and helps you act.