Avatars API

Avatar Generator API

Avatar Generator API is a fast, scalable REST API for generating high-quality default user avatars without requiring users to upload profile pictures.

The API supports two popular avatar styles:

• Identicons — unique geometric avatars generated deterministically from any seed such as an email, username, or user ID.
• Initials Avatars — clean profile images displaying one or two initials with customizable colors.

Using deterministic generation means the same input always produces the same avatar, making it ideal for user accounts, APIs, authentication systems, collaborative software, chat platforms, developer tools, and enterprise applications.

The API produces both raster (PNG) and vector (SVG) output, ensuring crisp rendering on websites, mobile applications, high-DPI displays, and printed materials.

Whether you're building a social network, developer platform, project management system, CMS, CRM, support portal, or enterprise dashboard, Avatar Generator API provides reliable and consistent profile images with minimal integration effort.

---

Features

• Generate deterministic identicons
• Generate initials avatars
• PNG output
• SVG output
• Consistent avatars from any seed
• Custom avatar size
• Custom background color
• Custom text color
• Automatically generated colors
• REST API
• API Key authentication
• Fast response times
• Stateless architecture
• Production-ready
• Easy integration

---

Avatar Types

Type	Description
Identicon PNG	Deterministic geometric avatar
Identicon SVG	Vector identicon with infinite scalability
Initials Avatar	Initial-based profile image

---

API Endpoints

Generate Identicon (PNG)

GET

/avatar

Generate a deterministic identicon in PNG format.

Parameters

Name	Type	Required	Description
seed	string	No	Username, email, user ID, or any unique string
size	integer	No	Avatar size in pixels
background	string	No	Background color (6-digit HEX)

---

Generate Identicon (SVG)

GET

/avatar.svg

Generate a scalable SVG identicon.

Parameters

Name	Type	Required	Description
seed	string	No	Username, email, user ID, or any unique string
size	integer	No	Avatar size in pixels
background	string	No	Background color (6-digit HEX)

---

Generate Initials Avatar

GET

/initials

Generate a profile image containing one or two initials.

Parameters

Name	Type	Required	Description
text	string	No	Person's name or username
size	integer	No	Avatar size in pixels
color	string	No	Text color (6-digit HEX)
background	string	No	Background color (6-digit HEX). If omitted, a color is derived automatically.

---

Parameters

seed

Any unique string.

Examples

[email protected]

john_doe

user_123456

The same seed always generates the same avatar.

---

text

The text used to generate initials.

Examples

Ada Lovelace

John Smith

Alex

The API automatically extracts up to two initials.

---

size

Avatar dimensions in pixels.

Example

256

---

background

Background color.

Example

3366CC

F0F0F0

---

color

Text color for initials avatars.

Example

FFFFFF

---

Example Requests

Generate an identicon

GET /[email protected]&size=256

Generate an SVG avatar

GET /avatar.svg?seed=user123

Generate initials avatar

GET /initials?text=John Smith&background=3366CC&color=FFFFFF

---

Response

Successful requests return an avatar image.

Supported response types

Endpoint	Content Type
/avatar	image/png
/avatar.svg	image/svg+xml
/initials	image/png

---

Common Use Cases

Perfect for:

• User profile pictures
• SaaS platforms
• Authentication systems
• Login pages
• Developer portals
• API platforms
• CRM software
• CMS platforms
• Team collaboration tools
• Chat applications
• Community forums
• Project management software
• Enterprise dashboards
• Helpdesk systems
• E-commerce customer accounts
• Social platforms
• Internal company systems
• Admin panels

---

Performance

• Extremely fast image generation
• Deterministic output
• Stateless architecture
• Low latency
• Lightweight responses
• Horizontally scalable
• Production-ready
• Cloud-native

---

Best Practices

• Use identicons when users have not uploaded profile photos.
• Use SVG identicons for responsive web applications.
• Use PNG avatars for mobile apps and social profile images.
• Store only the seed instead of the generated image.
• Use consistent avatar sizes throughout your application.
• Choose high-contrast text and background colors for initials avatars.

---

SDK Compatibility

Works with every HTTP client including:

• JavaScript
• TypeScript
• Python
• Go
• Java
• C#
• PHP
• Ruby
• Rust
• Swift
• Kotlin
• Dart
• cURL

---