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Alex MacCaw

Alex MacCaw

43 posts

Alex MacCaw Alex MacCaw ·

Launching Super Tags!

Accurate company categorization is a crucial part of the data we provide, and we've built up some incredible tech over this last year to automatically categorize companies by applying a neural net algorithm to their websites. This gets us the kind of coverage that would be impossible to achieve with...

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Alex MacCaw Alex MacCaw ·

Postmortem of yesterday's downtime

Yesterday we had a bad outage. From 22:25 to 22:58 most of our servers were down and serving 503 errors. As is common with these scenarios the cause was cascading failures which we go into detail below. Every day we serve millions of API requests, and thousands of...

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Alex MacCaw Alex MacCaw ·

Announcing Clearbit Connect

Today, we're proud to launch Clearbit Connect, a free extension that surfaces actionable information on the people who email you (including company details) directly alongside your emails in Gmail. Better yet - Connect also lets you find any business email address instantly, even if the person isn't in your address...

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Alex MacCaw Alex MacCaw ·

Streak's InboxSDK

Building on top of Gmail is hard. Like really hard. Google doesn't provide any official JavaScript APIs, and indeed seems pretty laissez faire about people building on top of the platform in general. Then there's the matter of the generated source code. Just go and click 'View Source' on Gmail....

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Alex MacCaw Alex MacCaw ·

2015 year in review

Wow. 2015 was quite the year for Clearbit! It's tricky fitting everything we've done into a single blog post, considering last year encompassed most of our young company's life, but here goes. In 2015 we went from a team of two, to seven. From 50 customers to 500. From processing...

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Alex MacCaw Alex MacCaw ·

Our Stock Option pledge

Startup stock options often get a bad rap, and with good reason. Employees who've given years to a company can end up with nothing — or have to fork over huge amounts of money and suffer a large tax liability. Quite honestly this sucks! To be fair, the system we have...

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Alex MacCaw Alex MacCaw ·

Open Graph Logo spec

When we initially launched the free company logo API in June it got quite the reception, trending #1 on Product Hunt and Hacker News for the day. Since then we've served up over 30 million logos and had incredible companies like Segment and Marketo integrate it directly into their products....

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Alex MacCaw Alex MacCaw ·

Dealing with Deprecating APIs

From time to time we have to make backwards incompatible changes to our APIs. To make sure everything keeps working for our customers we have a date based API versioning system which works pretty well. However, this does mean that at any point in time we have a lot of...

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Alex MacCaw Alex MacCaw ·

Finding similar customers

An effective way of sourcing new leads for your business is by looking for companies that are similar to your existing customers. Similar both in terms of size, but also market--essentially going after your customer's competitors. Clearbit's Discovery API can help you find these leads programatically using our clustering algorithms...

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