You are in control of your cookies

    Atlas uses strictly necessary cookies to keep you signed in. With your consent, we add anonymized product analytics, conversion attribution, and remembered preferences. Change your mind any time at /privacy/cookies.

    Off until you agree · Change it any time

    • Necessaryalways on
    • Analyticsopt-in
    • Marketingopt-in
    • Preferencesopt-in
    Atlas
    • All-in-one
    • Solutions
    • Compare
    • Pricing
    PricingGet started

    Guides

    API design

    3 guides on api design. Practical writing from the team building Atlas, useful whether or not you buy anything.

    All guidesSee the work OS

    API design guides

    • July 2, 2026·11 min read·REST API, API design, sequence diagram, documentation

      How to Diagram a REST API

      A REST API looks simple as a list of endpoints and complicated the moment you draw the calls, auth, and errors together. Diagramming it exposes the design before clients depend on it.

    • July 2, 2026·10 min read·plantuml, sequence diagram, uml, api design

      PlantUML Sequence Diagrams: A Practical Tutorial

      Sequence diagrams are where PlantUML shines, because it lays them out itself rather than deferring to Graphviz. This tutorial takes you from a two-line diagram to loops, alternatives, and activation bars.

    • July 2, 2026·10 min read·sequence diagram, API design, software design, documentation

      Using Sequence Diagrams for API Design

      Sequence diagrams are the sharpest tool for designing an API, because they force you to think about the full conversation (including the failures) before you build it.

    Other subjects

    • Operations141
    • diagramming77
    • Productivity71
    • PDF47
    • Buying guide45
    • Playbook43
    • Integrations40
    • Work OS36
    • documentation34
    • Project management34
    • Workflow34
    • Sales31
    • Migration30
    • Security29
    • CRM27
    • Automation26
    • mermaid26
    • professional services26
    • UML26
    • Evaluation24
    • Compliance22
    • collaboration20
    • diagram as code19
    • ERD19

    Ready when you are

    Stop paying the tool tax.

    Atlas brings tasks, projects, CRM, contracts, e-signature, PDF tools, and analytics into one workspace. Start free.

    Get started freeSee pricing
    AtlasWork, planned itself.

    The AI-native, all-in-one work platform. Tasks, projects, CRM, contracts, and analytics in one calm workspace.

    System status
    • SSO
    • SCIM
    • Two-factor sign-in
    • Audit log

    Product

    • Overview
    • PDF tools
    • Diagram tools
    • People & HR
    • Integrations
    • Marketplace
    • Pricing

    Resources

    • Guides
    • Glossary
    • Compare
    • Docs
    • API reference
    • Support
    • Changelog
    • Status

    Company

    • About
    • Careers
    • Press
    • Contact

    Legal & trust

    • Trust center
    • Security
    • Privacy
    • Terms
    • DPA
    • GDPR
    • SLA
    • Refunds
    • Google API data
    Atlas, a product by wrxstack.com·© 2026 wrxstack·All rights reserved
    PrivacyTermsSecurityStatus