API-First Development at EtsyBuilding a Unified API for a Multi-Screen World
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Who Am I?Paul Wright
Infrastructure Engineer
Core Platform
What is Etsy?
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Etsy is the marketplace we make together.
Etsy Seller: AHeirloom
Etsy Seller: AHeirloom
Etsy Seller: AHeirloom
Etsy Seller: AHeirloom
Etsy Seller: AHeirloom
Etsy isGlobal
Etsy Seller: WildandFreeDesigns
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Quick Stats
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In 2013,Etsy Sellers MadeOver 1 Billion USD
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Etsy isMulti-Platform
APIv2
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The Good
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Kick StartedThird-PartyCommunity
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Powers EtsyNative Apps
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Serves Needs of Sellers
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The Bad
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Resources MirrorDB Schemas
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Client DictatesComplexity
RESTNot
AlwaysBest
Etsy Seller: GalaBorn
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Multiple Requests for one
Client View
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Access Control
AddsComplexity
Etsy Seller: BlueRoseRetro
APIv3
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Domain Resources, not Row Resources
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Push Complexityto Server
Concurrency
Etsy Seller: StudioLiscious
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Relax REST Constraints
Bespoke
Etsy Seller: HouseofSeance
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Make Access Control Explicit
Perspectives
Etsy Seller: urbanantique
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PerspectivesEncapsulate who is making a call
Abstracts authentication
Three main ones: Public, Member & Shop
API-First
Database
Business Logic
Web ControllerAPIv2
Business Logic
Database
APIv3
Business Logic
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Thanks!
