api-onboarding
Reduce time-to-first-API-call (TTFAC) by optimizing every step of the developer onboarding journey.
Skill by sickn33
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/sickn33-api-onboarding
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About
Use cases: backend
Reviews
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Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
- Tools
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Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/api-onboarding
What's inside
- Skill name
api-onboarding- Description
- Reduce time-to-first-API-call (TTFAC) by optimizing every step of the developer onboarding journey. This skill covers authentication simplification, sandbox environments, interactive documentation, and identifying and eliminating common failure points.
- License
- MIT
- Instructions
- 465 lines in SKILL.md · view on GitHub
Before installing
- Instructions call the network
Files (2)
- README.md
- SKILL.md
SKILL.md (first lines)
# Reducing Time-to-First-API-Call
## When to Use
Use this skill when you need reduce time-to-first-API-call (TTFAC) by optimizing every step of the developer onboarding journey. This skill covers authentication simplification, sandbox environments, interactive documentation, and identifying and eliminating common failure points. Trigger phrases: "API...
The time between a developer discovering your API and successfully making their first call is the most critical window in your entire developer journey. Every minute of friction here costs you potential users.
## Overview
Time-to-First-API-Call (TTFAC) is a useful onboarding metric to compare with activation and retention. Developers who succeed quickly become active users. Developers who struggle leave—often silently.
This skill covers:
- Measuring and optimizing TTFAC
- Removing authentication friction
- Creating effective sandbox environments
- Building interactive documentation
- Identifying and fixing common failure points
Examples are illustrative API/SDK sketches. Sandbox status must be enforced server-side with isolated keys/accounts; a caller-controlled sandbox boolean is not a security boundary. Test card numbers are provider-specific and only valid in the documented test environment. Confirm provider behavior instead of claiming universal success. Instrument consented, pseudonymous event IDs and stable start/success definitions; include abandoned attempts and exclude API keys, payloads, replay captures and personal data. Package-download counts do not establish an individual SDK installation.
## Before You Start
Review the **developer-audience-context** skill to understand:
- What's the typical technical sophistication of your developers?
- What tools and environments do they commonly use?
- What alternative products have they tried? What was their experience?
- What's their urgency level? (Evaluating vs. building immediately)
Your onboarding should meet developers where they are.
## Understanding TTFAC
### What TTFAC Measures
Time-to-First-API-Call measures the elapsed time from a developer's first interaction to their first successful API response. This includes:
1. **Discovery time**: Finding the "Get Started" content
2. **Signup time**: Creating an account
3. **Credential time**: Obtaining API keys
4. **Setup time**: Installing SDK, configuring environment
5. **Execution time**: Running first request
6. **Success time**: Receiving successful response
### Illustrative TTFAC Targets
| Rating | TTFAC | Developer Experience |
|--------|-------|---------------------|
| **Excellent** | < 5 min | "This is amazing" |
| **Good** | 5-15 min | "Pretty straightforward" |
| **Acceptable** | 15-30 min | "Got there eventually" |
| **Poor** | 30-60 min | "This is frustrating" |
| **Failing** | > 60 min | "I'll try something else" |
### Measuring TTFAC
**Instrumentation points:**
```javascript
// Track these events with timestamps
analytics.track('docs_quickstart_viewed');
analytics.track('signup_started');
analytics.track('signup_completed');
analytics.track('api_key_created');
analytics.track('sdk_installed'); // Via package manager data
analytics.track('first_api_call'); // Via API logs
analytics.track('first_successful_call');
```
**Calculate:**
- Median TTFAC (more useful than average)
- TTFAC by developer segment
- Drop-off rates at each step
- Success rates within time windows (5 min, 15 min, 60 min)
## Authentication Simplification
Measure authentication friction in your own funnel. Preserve the security and abuse controls required by the product.
### The Ideal Auth Flow
1. Developer signs up (< 2 minutes)
2. API key visible immediately (not buried in settings)
3. Key works immediately (no activation delay)
4. Copy-paste into example code
5. Success
### Auth Anti-Patterns to Avoid
**The Approval Queue**
```
❌ "Your API access request has been submitted.
You'll receive access within 2-3 business days."
```
Developers leave and find an alternative.
**The Hidden Key**
```
❌ Settings → Team → API → Credentials → Keys → Show Key
```
Make keys visible on dashboard home.
**The Complex Token**
```
❌ OAuth flow requiring:
- Client ID
- Client secret
- Redirect URI configuration
- Token exchange
- Token refresh handling
```
Choose auth for the threat model; delegated user access may require OAuth from the first call. Provide a mock/demo flow when production authentication cannot safely be simplified.
**The Verification Gauntlet**
```
❌ Sign up → Verify email → Verify phone →
Add payment → Verify payment → Then API key
```
Minimize friction for first API call.From sickn33/agentic-awesome-skills, MIT.
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Signals
- Stars
- 48,428
- Forks
- 7,039
- Open issues
- 0
- Last commit (this folder)
- Oct 24, 2026 (5 days ago)
- Last release
- Oct 24, 2026 (5 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Website
- aaskills.tech/
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Cite this page
api-onboarding skill. Agent Mart. https://agentmart.dev/skills/sickn33-api-onboarding (last updated 2026-10-24)