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How to Set Up Your Apple Developer Account

Overview

To deploy your app to TestFlight or the App Store, you need four credentials from your Apple Developer account: an Issuer ID, a Key ID, a Team ID, and a Private Key (.p8 file). This guide walks you through obtaining each one.

Prerequisites

1. Find Your Team ID

  1. Sign in to developer.apple.com/account.
  2. Scroll down to the Membership details section.
  3. Your Team ID is a 10-character alphanumeric string (e.g., A1B2C3D4E5).

2. Create an App Store Connect API Key

The API key gives you the Issuer ID, Key ID, and Private Key all in one step.

  1. Go to App Store Connect → Users and Access → Integrations → App Store Connect API.
  2. Click Generate API Key (or the + button).
  3. Enter a name (e.g., “fytkit Deploy Key”) and select the App Manager role.
  4. Click Generate.

3. Copy Your Issuer ID

  1. On the same API keys page, your Issuer ID is shown at the top of the page.
  2. It is a UUID (e.g., 57246542-96fe-1a63-e053-0824d011072a).
  3. Copy and save it.

4. Copy Your Key ID

  1. In the key list, find the key you just created.
  2. The Key ID is shown in the table (e.g., 2X9R4HXF34).
  3. Copy and save it.

5. Download Your Private Key

  1. Click Download API Key next to your key. This downloads a .p8 file.
  2. Important: You can only download this file once. Store it securely.
  3. The file contents begin with -----BEGIN PRIVATE KEY----- and end with -----END PRIVATE KEY-----.

Summary

CredentialWhere to FindFormat
Team IDdeveloper.apple.com/account → Membership10-char alphanumeric
Issuer IDApp Store Connect → API Keys page (top)UUID
Key IDApp Store Connect → API Keys table10-char alphanumeric
Private KeyDownload .p8 file (one-time only).p8 file (PEM format)