OpenCNAM - How and Why We Built a Caller ID Name API

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OpenCNAM How and why we built a Caller ID Name API.

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Chief Hacker @ Telephony Research @rdegges http://rdegges.com Randall Degges

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Telephony Research

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What is CNAM?

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This is CNAM +1 (818) 217-9229 DEGGES,RANDALL

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What's wrong with CNAM?

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CNAM Sucks!

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BIG COMPANIES OLD STANDARDS COSTLY COMPLEX SMALL COMMUNITY

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AT&T VERIZON

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Big Companies Monopolize the infrastructure.

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Big Companies Don't innovate!

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Old Standards Been around since early 1900.

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Old Standards CNAM is a 15 character ASCII string.

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Old Standards CASE INSENSITIVE!

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Old Standards Different in every country!

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Old Standards Not available in US mobile networks.

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Costly Telco negotiations cost $xxx,xxx.

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Costly Special hardware and software.

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Costly Users pay around 1 cent per query.

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Small Community

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Complex

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A person calls you.

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Your carrier looks at the local switch for CNAM.

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Not found? Look at the next switch.

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Repeat.

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Still not found? Query the provider.

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What Doesn't Suck?

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Hacks for mobile. Data quality issues. Bad user experience.

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"So, why not get more hackers involved in the telephony industry?"

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You kidding me, bro?

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"Why is this so hard?"

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"It's just a string!" - Every programmer, ever.

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What's the solution?

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What is OpenCNAM? A REST API for hackers that want Caller ID data without the bullshit.

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"We should make a simple Caller ID API service." "Alright, let's do this."

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How OpenCNAM Works

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$ curl https://api.opencnam.com/v2/phone/+16502530000 GOOGLE INC

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$ curl -H "Accept: application/json" https://api.opencnam. com/v2/phone/+16502530000 { "updated": "2012-12-05T19:58:13.770770", "name": "GOOGLE INC", "created": "2012-10-12T06:53:05.194858", "price": 0, "uri": "/v2/phone/%2B16502530000", "number": "+16502530000" }

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CNAM Should be Simple

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... And Open ... ● Free cached CNAM dips (60 per hour). ● No account necessary.

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... And Cheap ... $.004 per query!

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... And Cheap ... That's 300% cheaper than real life.

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(funny story)

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How does OpenCNAM work?

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How OpenCNAM Really Works

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● Flask ● Amazon DynamoDB ● Heroku ● Amazon Web Services ● SSL ● Service Oriented Architecture ● PostgreSQL

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We <3 Flask Simple.

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We <3 Flask Lightweight.

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We <3 Flask Great libraries.

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We <3 DynamoDB Simple JSON data store.

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We <3 DynamoDB Hosted by Amazon.

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We <3 DynamoDB Fast. Really fast.

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We <3 DynamoDB Like 1ms fast.

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We <3 DynamoDB 2500% faster than PostgreSQL.

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We <3 DynamoDB Cheap.

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We <3 DynamoDB Reliable (data replicated).

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We <3 DynamoDB SSD storage.

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"DynamoDB is so fast, you don't need memcache."

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CNAM Lookup (free)

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We <3 Heroku Built on top of AWS.

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We <3 Heroku Simple.

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We <3 Heroku Reliable. 99.99%

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We <3 Heroku Easy to scale.

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We <3 Heroku Lots of addons.

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We <3 PostgreSQL ● heroku addons:add heroku-postgresql ● --fork ● --follow

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The Heroku Hacker's Guide

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SSL ... EVERYWHERE!

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How do you architect your code?

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We <3 SOA

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SOA Rocks Simple code base.

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SOA Rocks Clear purpose.

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SOA Rocks Well defined APIs.

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SOA Rocks Independent scaling.

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SOA Rocks Isolated failure.

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What libraries do you use?

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dynamodb-mapper

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dynamodb-mapper Queries

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flask-login

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flask-login Loader

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flask-login Decorator

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How do you do billing?

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"This is fucking awesome." - Me Stripe

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Bitpay "It's like Stripe, for bitcoin." "It's also ugly as hell." - Me

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What about marketing?

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Marketing

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YOU DON'T NEED MARKETERS

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You need to talk to people!

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Google your industry. Find your customers. Put contact names, company URLs, and emails into a Google doc. Email 3 customers per day, asking for feedback. Listen to feedback.

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What are you doing to fix this shit?

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"The Future"

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xCNAM { "number": "+18182179229", "cnam": "DEGGES,RANDALL", "xcnam": "Randall C. Degges II", ... }