The modern open-source developer experience platform for your APIs.

Create world-class API Docs with a built-in interactive playground which seamlessly turns to a full featured API Client.

Our users range from startups to Fortune 500s.

Las Vegas Sphere

Works with your OpenAPI document.

Write and publish APIs, seamlessly manage your OpenAPI documents

Fully Brandable

Bring your brand easily to Scalar Docs, we don't want your docs to look like everyone elses

Git + Markdown Sync

Let your docs live alongside your code, write docs in markdown and link your OpenAPI files

Custom HTML/CSS/JS

We don't charge an extra $150 so you can add custom code to your site, do it all on our free plan

OpenAPI Support

Import your OpenAPI file and get beautiful documentation with our API References

Integrated API Client

Let your users quickly try out your APIs right inside of the docs, reducing onboarding time

Custom Domains

Publish on your domain for $12/month, or use our free apidocumentation.com subdomain

api.scalar.com
Resources
Markdown
Authentication
Create a UserPOST
Get a token POST
Get authenticated user GET
Planets
Get all planets GET
Create a planet POST
Get a planet GET
Update a planet PUT
Delete a planet DEL
Upload image to planet POST
Webhooks
Models
Authentication

Some endpoints are public, but some require authentication. We provide all the required endpoints to create an account and authorize yourself.

ENDPOINTS
POST/user/signup
POST/auth/token
GET/me
Create a User

Time to create a user account, eh?

Bodyapplication/json
nameRequiredstring
emailRequiredstringemail
passwordRequiredstringmin: 8
Responses
201
Created
400
Bad Request
POST/user/signup
1curl--request POST\
2--url https://galaxy.scalar.com/user/signup \
3--headerContent-Type: application/json' \
4--data'{
5"name": "Marc",
6"email": "marc@scalar.com",
7"password": "i-love-scalar"
8}'
201400
1{
2"id":"1"
3"name":"Marc"
4"email":"marc@scalar.com"
5}
____________________|,---------------. |\|| *#**#*#**** |= | ||| /* *\ || | ||| |--[@]^[@]--| || | ||| \ _____ / || | ||| \ \___/ / _o| | | __|`----------------' |/ /~/ ~~~~~~~~~~~~~~~~~~~ / / ~~
Watch Video

Scalar walkthrough coming soon!

, ,|\\\\ ////|| \\\V/// || |===| || |~~~| || | | || | | | \ | | / \|===|/ '---'
Try for Free

No signup required!

Integrations for (almost) everything:

.NET
Nitro
Platformatic
FastAPI
Hono
NestJS
Nuxt
Rust
AdonisJS
Elysia
Express
Fastify
GO
Laravel
Litestar
Next.js
HTML
React
Vue.js
Docusaurus
Install
dotnet add package Scalar.AspNetCore
Usage
using Scalar.AspNetCore;

var builder = WebApplication.CreateBuilder();

builder.Services.AddOpenApi();

var app = builder.Build();

app.MapOpenApi();

if (app.Environment.IsDevelopment())
{
    app.MapScalarApiReference();
}

app.MapGet("/", () => "Hello world!");

app.Run();

An offline first API Client built for OpenAPI.

Minimal, powerful, & open-source client built by us + our community

API Framework Integration

Link to your server frameworks and keep Scalar's API Client in sync
(coming soon)

Offline First

We built this product for ourselves, offline first & always will be. If your team needs collaboration it's opt-in

Collaboration

Your team needs to collaborate on testing APIs? We got you covered with our sync that's on our paid plan

All Platforms

Web? MacOS? Linux? Windows? We release on all platforms so you can work seamlessy with your preferred dev setup

OpenAPI Support

We keep the OpenAPI spec alive, getting all the downstream benefits of building with Scalar from docs to sdks

No Vendor Lock In

Don't stress your engineering team out, our API Client is built all based on the OpenAPI Specification

POST galaxy.scalar.com/user/signup Send
Open in Scalar
Workspace
My First API
Authentication
Create a UserPOST
Get a token POST
Get authenticated user GET
Planets
Get all planets GET
Create a planet POST
Get a planet GET
Update a planet PUT
Delete a planet DEL
Upload image to planet POST
Webhooks
Request
Create a User
All Cookies Headers Query Body
Cookies
KeyValue
Headers
Content-Typeapplication/json
KeyValue
Query Parameters
KeyValue
Body
1{
2"name":"Marc"
3"email":"marc@scalar.com"
4"password":"i-love-scalar"
5}
Response
639ms
201 Created
All Body Headers Cookie
Cookies
Headers
Body
1{
2"id":"1"
3"name":"Marc"
4"email":"marc@scalar.com"
5}
____________________|,---------------. |\|| *#**#*#**** |= | ||| /* *\ || | ||| |--[@]^[@]--| || | ||| \ _____ / || | ||| \ \___/ / _o| | | __|`----------------' |/ /~/ ~~~~~~~~~~~~~~~~~~~ / / ~~
Watch Video

Scalar walkthrough coming soon!

+#INTRODUCING#. +#SCALAR##API#- -CLIENT- -TEST -UR- -FAV# -##- -APIs -##--LETS -++-.GO-
Try for Free

No signup required!

Affordable Pricing that scales with you.

,\ \\\,_ \` ,\ __,.-" =__) ." ),_/ , \/\_\_| )_-\ \_-` `-----` `--`
Free - 1 User
  • Unlimited Workspaces
  • Free Subdomains
  • API References (OpenAPI)
  • Fully Stylable with Themes
  • Custom CSS/Javascript
  • Built in Scalar API Client
Try for free
//\\_//\\ ____ \_ _/ / / / * * \ /^^^] \_\O/_/ [ ] / \_ [ / \ \_ / / [ [ / \/ _/ _[ [ \ /_/
Pro - $12 Seat
  • Everything in Free
  • Custom Domains
  • Sync with GitHub
  • Guides & Versions
  • Search (by TypeSense)
  • Priority Support
Subscribe
.'''''. ' . __' 0 ; / \ ;| .-| ;\/~~' ; /;. .;;. . ; /;;;;;;;;;;;;;\
Enterprise
  • Everything in Pro
  • Priority Support
  • SSO/SAML
  • Monthly Audit of Docs
  • Verified Workspaces
  • Dedicated Slack Channel
Chat with Marc

Our phone lines are open, 24/7.