Agent skill · marketing growth · sickn33
api-onboarding
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.
Why this skill is useful
Provides specific strategies and metrics for optimizing developer onboarding processes that the AI wouldn't reliably generate on its own.
What it needs
About 7k tokens when loaded. Last updated 2026-08-07. 44,571 stars on the source repository.
What this skill does
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 the single most predictive metric for developer adoption. 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 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. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sickn33/api-onboarding--f9d9e2