
People Data Labs
spaCy
GoldRush.dev
Chainbase
Amazon Comprehend
Gensim
Google Cloud Natural Language API
AlchemyAPI helps developers and businesses build cognitive applications through text analysis and deep learning.
Which is more popular?
Based on our record, Apollo.io seems to be more popular. It has been mentioned 69 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | alchemyapi.com | apollo.io |
| Pricing | — | |
| Company | — | Startup from the United States |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of AlchemyAPI yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Getting Started with AlchemyAPI on Bluemix
Free software to find email addresses - apollo.io review
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using AlchemyAPI and Apollo.io. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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What is the best AI prospecting tool for B2B sales in 2026? The best tool depends on your team's specific situation. toflow.ai is a strong fit for multi-channel outreach across email, LinkedIn, and WhatsApp, and is...
We use Apollo with our Sales and BDR team to manage our cold outreach. The strength of the platform is the sequences and cadences that you can set up. Compared to other tools we have used in the past like Salesloft...
FAQWhat’s better than Apollo.io?What Apollo.io competitors are better for lead generation? What is Apollo.io used for?
Recommendations tracked on public social media and blogs since March 2021.


Tracking AlchemyAPI since Mar 2021.
Personal email domains destroy this. Clearbit's Enrichment API returns a null company when it hits gmail.com. Apollo routes personal domains straight to a consumer bucket and skips B2B fields entirely. Even PDL's /person/enrich endpoint... - Source: dev.to / 5 months ago
A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns... - Source: dev.to / 5 months ago
One thing comparison guides consistently get wrong: Clay is not an enrichment API. It's a waterfall orchestration tool that calls People Data Labs, Apollo, Clearbit, and others in sequence for you. It's useful, but it adds 2–8 seconds of... - Source: dev.to / 5 months ago
When comparing AlchemyAPI and Apollo.io, you can also consider the following products.

Use our dataset of 1.5 billion unique person profiles to build products, enrich person profiles, power predictive modeling/AI, analysis, and more. We work with technical teams as their engineering focused people data partner.
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ZoomInfo is a B2B database providing detailed business information on people and companies.
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spaCy is a library for advanced natural language processing in Python and Cython.
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Blockchain data across 100+ chains — wallet balances, token prices, transactions, DEX pairs, and more. REST API, real-time WebSocket with OHLCV price feeds. Built for humans and AI agents. From prototype to production in minutes.
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Find all the email addresses related to a domain
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