Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
A direct command skips the review prompt. Inspect the source before running it.
Use this skill when you need design frictionless signup experiences for developers including GitHub OAuth, API key generation, and onboarding personalization. Trigger phrases: developer signup, dev registration, OAuth flow, API key onboarding, reduce signup friction, developer authentication, signup conversion,...
Create signup experiences that respect developers' time and get them to code as fast as possible.
Overview
Developer signup is your first chance to demonstrate that you understand developers. Every unnecessary form field, every extra click, every "verify your email before continuing" is a message that you don't value their time. The best developer signups feel like they barely exist—developers go from "I want to try this" to "I'm writing code" in under 60 seconds.
This skill covers OAuth integration, API key generation UX, progressive profiling, and measuring what actually matters in signup conversion.
Before You Start
Review the /devmarketing-skills/skills/developer-audience-context skill to understand your target developer segments. Signup optimization varies significantly based on whether you're targeting hobbyists exploring on weekends versus enterprise developers evaluating tools for their company.
OAuth Options That Work
The GitHub-First Approach
For developer tools, GitHub OAuth should be your primary option. Here's why:
Identity verification built-in - Active GitHub accounts have commit history, repos, and social proof
Scope familiarity - Developers understand GitHub's permission model
Profile data - You get username, email, and can infer experience level from public activity
Trust signal - GitHub is where developers already live
Good implementation (Vercel):
Single "Continue with GitHub" button dominates the page
Email option available but secondary
No password creation required
Immediate redirect to dashboard after OAuth
Bad implementation:
GitHub, Google, Twitter, LinkedIn, Email, and "Sign up with phone" all given equal prominence
Requires email verification even after GitHub OAuth
Asks for additional profile information before showing dashboard
OAuth Option Hierarchy
Prioritize based on your audience:
Audience
Primary
Secondary
Avoid
Open source developers
GitHub
Email
Google Workspace
Startup developers
GitHub
Google
Enterprise SSO
Enterprise developers
SSO/SAML
Google Workspace
Social logins
Data scientists
GitHub
Google
Twitter
Mobile developers
Google
GitHub
Facebook
Google OAuth Considerations
Google OAuth works well when:
Your tool integrates with Google Cloud services
You're targeting Android developers
Your audience includes non-technical stakeholders (product managers, designers)
Google OAuth fails when:
Developers use personal Gmail but need to sign up with work identity
Your tool has no Google ecosystem integration
You require Google Workspace-specific scopes
Email Signup: When It Makes Sense
Email+password signup should exist but not dominate. It serves:
Developers in enterprise environments that block OAuth
Privacy-conscious developers who limit third-party access
Situations where GitHub/Google accounts don't reflect professional identity
If you support email signup:
Allow signup with just email—send magic link, don't require password creation
Never require email verification before showing the dashboard
Offer "Set password later" for developers who prefer magic links
Reducing Form Fields
The Zero-Field Ideal
The best signup has zero custom fields. Everything you need comes from OAuth:
Name (from OAuth profile)
Email (from OAuth profile)
Username/handle (from GitHub username)
Avatar (from OAuth profile)
When You Must Ask Questions
If you genuinely need information, defer it:
Bad: Blocking signup
Create Account
- Email
- Password
- Company Name (required)
- Role (required)
- Team Size (required)
- How did you hear about us? (required)
[Create Account]
Good: Progressive collection
Continue with GitHub
[Immediate dashboard access]
[Later, contextually in dashboard]
"To customize your experience, what are you building?"
[ ] API/Backend
[ ] Web app
[ ] Mobile app
[ ] Data pipeline
[Skip for now]
Field Elimination Checklist
For each field you want to add, answer:
Can we infer this from OAuth profile data?
Can we infer this from behavior after signup?
Can we ask this later when context makes it relevant?
What decision does this field enable that can't wait?
What's the conversion cost of this field?
Research suggests each additional required field reduces conversion by 5-10%.
API Key Generation UX
Immediate Key Generation
Developers sign up to write code. Show them an API key immediately.
Good implementation (Stripe):
OAuth complete
Dashboard shows test API keys immediately
Keys are visible and copyable without extra clicks
"Reveal" pattern for production keys, not test keys
Bad implementation:
OAuth complete
"Welcome! Complete your profile to get started"
Profile form required
"Create your first project" wizard
Project settings page
"Generate API key" button
Finally see a key
Key Display Best Practices
Your API Key
sk_test_xxxxxxxxxxxxxxxxxxxx [Copy]
[Show in cURL example] [Show in SDK example]
Show key in monospace font
Include one-click copy button
Show key in context (code example)
Test keys visible by default
Production keys behind "reveal" click
Never require downloading keys to a file
Multiple Keys and Key Management
Wait until developers need this. First-time signup should show one key.
Introduce key management when:
Developer creates a second project
Developer invites team members
Developer asks about key rotation
Onboarding Personalization
Use-Case Based Paths
Ask one question, then customize the experience:
Question (shown post-signup, skippable):
"What are you building?"
Integrate with an existing app
Build something new
Evaluate for my team
Just exploring
Path customization:
Selection
Dashboard emphasis
First CTA
Docs default
Integrate existing
SDKs and integrations
"Install SDK"
Integration guides
Build new
Quickstart tutorial
"Start tutorial"
Getting started
Evaluate for team
Pricing and features
"Book demo"
Use cases
Just exploring
Interactive playground
"Try playground"
API reference
Framework/Language Detection
If GitHub OAuth is used, check public repos for language patterns:
Primary language: Python (45% of repos)
Also uses: JavaScript (30%), Go (15%)
→ Show Python SDK first in docs
→ Default code examples to Python
→ Suggest Python quickstart
Behavioral Personalization
After signup, track and adapt:
Behavior
Adaptation
Copies cURL example
Show more cURL, less SDK
Views pricing page early
Surface free tier limits in dashboard
Creates multiple projects
Suggest team features
Frequent docs visits
Add "Stuck?" help widget
Progressive Profiling
What to Collect and When
Signup (OAuth only):
Name, email, avatar (from OAuth)
First session (optional, in-context):
Primary use case (one click)
Preferred language (inferred or one click)
After first API call:
Company name (for enterprise features)
Team size (for collaboration features)
After hitting free tier limits:
Phone number (for billing)
Billing address (for invoicing)
After upgrade:
Full company profile (for account management)
Industry/vertical (for case studies)
Making Progressive Profiling Feel Natural
Bad: Random popup
[Popup after 3 days]
Help us serve you better!
Company: ___
Role: ___
Team size: ___
How did you hear about us: ___
Good: Contextual ask
[When developer invites first team member]
To set up your team workspace, what should we call it?
Company/Team name: ___
[When developer hits rate limit]
To increase your rate limit, we need to verify your account:
Phone: ___
Measuring Signup Conversion
Primary Metrics
Signup start rate
Visitors who click "Sign up" or "Get started"
Benchmark: 5-15% of landing page visitors
Signup completion rate
Users who complete OAuth or form submission
Benchmark: 70-90% of signup starts (for OAuth)
Benchmark: 30-50% of signup starts (for forms)
Time to signup
Seconds from signup click to dashboard
Benchmark: <30 seconds for OAuth, <60 seconds for forms
Activation Metrics (Post-Signup)
API key copy rate
Users who copy their API key
Benchmark: 60-80% within first session
First API call rate
Users who make at least one API call
Benchmark: 30-50% within first 24 hours
Time to first API call
Minutes from signup to first API call
Benchmark: <10 minutes for well-designed onboarding
Funnel Analysis
Track the complete funnel:
Landing page visitors: 10,000
├── Clicked signup: 1,000 (10%)
├── Completed signup: 800 (80% of clicks)
├── Copied API key: 600 (75% of signups)
├── First API call: 300 (50% of key copies)
└── Second day return: 150 (50% of first call)
Identify where developers drop off and why:
OAuth permission screen abandonment
Email verification delays
Confused by dashboard
Can't find API key
First API call failed
A/B Testing Priorities
Test in this order (highest impact first):
Number of OAuth options shown
Form field count
Email verification timing
API key placement on dashboard
Default quickstart language
Welcome email timing
Examples from Real Developer Tools
Excellent Signup: Vercel
"Continue with GitHub" dominates
OAuth completes in one click
Immediate dashboard with import options
No questions asked
First deploy possible within 60 seconds
Excellent Signup: Stripe
Email-based but minimal
No email verification before dashboard
Test API keys visible immediately
Guided setup optional
Clear test vs production modes
Poor Signup: [Common Patterns to Avoid]
"Complete your profile" blocking dashboard access
Email verification required before seeing anything
Required company name and team size
Mandatory phone verification
"Create your first project" wizard that can't be skipped
API keys hidden behind multiple navigation clicks
Tools
Analytics and Testing
Amplitude/Mixpanel - Funnel analysis and cohort tracking
LaunchDarkly/Split - A/B testing OAuth flows
FullStory/LogRocket - Session replay for signup debugging
Customer.io/Intercom - Onboarding email sequences
Authentication Providers
Auth0 - Full-featured but adds complexity
Clerk - Developer-focused, good defaults
WorkOS - Enterprise SSO when you need it
Supabase Auth - Simple, open source option
Firebase Auth - Good for mobile-first
API Key Management
Unkey - API key management as a service
Custom - Most developer tools build their own
Related Skills
/devmarketing-skills/skills/developer-onboarding - What happens after signup
/devmarketing-skills/skills/developer-audience-context - Understanding who's signing up
/devmarketing-skills/skills/free-tier-strategy - What they're signing up for
Limitations
Use this skill only when the task clearly matches its upstream source and local project context.
Verify commands, generated code, dependencies, credentials, and external service behavior before applying changes.
Do not treat examples as a substitute for environment-specific tests, security review, or user approval for destructive or costly actions.
