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Challonge
Indianapolis, Indiana, United States
What it is
Challonge is a competition management platform for organizers handling registration, tournament progression, and records. It offers more than 25 formats, including single elimination, double elimination, round robin, Swiss, and Grand Prix. Tournament pages can display brackets, participants, standings, sponsor information, stations, discussions, and score reports. Event tools cover paid or unpaid tickets, registration fees, analytics, and attendee check-in. Communities can host tournaments, events, contests, announcements, statistics, and Elo rating leaderboards. Its API lets applications create tournaments and report scores; listed Sandbox quotas are 500 requests per month on Standard and 2,000 on Premier. Paid registrations use Stripe: Standard adds a $0.75 Challonge fee per order, while Premier has no Challonge fee. The free Standard plan allows up to 256 participants per tournament; Premier costs $83.88 per year and allows up to 512. Single-stage Round Robin tournaments have a 40-participant limit on either plan. Brackets can be embedded on websites, with custom themes on Premier. The terms say the service is not tailored to regulations such as HIPAA or FISMA.
For and against
For
- Offers more than 25 competition formats.
- Free Standard plan allows up to 256 participants.
- Events include attendee check-in and analytics.
- API can create tournaments and report scores.
- Brackets can be embedded on websites.
Against
- Round Robin tournaments are limited to 40 participants.
- Standard charges $0.75 per paid-registration order.
- Premier costs $83.88 per year.
- Service is not tailored to HIPAA or FISMA.
The verdict
Challonge covers tournament brackets as well as event registration, communities, and score reporting. Consider the 40-person Round Robin limit, paid-registration fee on Standard, and compliance limitation when choosing a plan.
Who it suits
It suits casual or professional organizers of esports and traditional sports competitions. Organizers who need events, communities, or API-based tournament creation may also find its tools relevant.
Plans and prices
Standard
unlimited tournaments, events and communities · 256 participants per tournament · external-link match attachments · Stripe registration fee of $0.75/order
Read 15 Oct 2026 · page.challonge.com
Premier
no ads · one free Pro Community License · custom-theme bracket embeds · priority support
Read 15 Oct 2026 · page.challonge.com
Pro Community License
personalized community features · no ads · enhanced discoverability · up to 512 participants
Read 15 Oct 2026 · help.challonge.com
On the record
- API architecture
- API v2.1 is RESTful, uses JSON:API request and response conventions, and is hosted at api.challonge.com/v2.1.challonge.apidog.io · read 15 Oct 2026
- API authentication
- Developers can use OAuth 2 flows or legacy v1 API keys; OAuth access tokens expire after one week and refresh tokens are supported.challonge.apidog.io · read 15 Oct 2026
- API documentation depth
- The documentation lists endpoints for tournaments, participants, matches, attachments, communities, users, races, rounds and elapsed-time records, plus a JavaScript bracket API.challonge.apidog.io · read 15 Oct 2026
- API limits
- Free API usage is limited to 500 requests per month; higher usage requires a paid API plan and excess free requests return HTTP 429 after July 6, 2026.challonge.apidog.io · read 15 Oct 2026
- API plans
- API plans are managed separately from Premier, and the feature page lists a $7/month discount on paid API plans.challonge.com · read 28 Sep 2026
- Audience
- Challonge describes its audience as casual or professional organizers of esports and traditional sports competitions.challonge.com · read 28 Sep 2026
- Availability disclaimer
- Challonge disclaims guaranteed availability and says maintenance or technical problems can cause interruptions, delays or errors.challonge.com · read 15 Oct 2026
- Bracket embedding
- Brackets can be embedded on other websites; Standard embeds include ads and a watermark, while Premier adds custom themes and removes ads.help.challonge.com · read 15 Oct 2026
- Communities
- Communities provide a hub for competitions, announcements, followers, collaborators and community-specific Elo leaderboards.help.challonge.com · read 15 Oct 2026
- Company founded
- Challonge was founded in 2009.challonge.com · read 15 Oct 2026
- Company size on LinkedIn
- LinkedIn lists Challonge as headquartered in Indianapolis and having 2–10 employees.linkedin.com · read 15 Oct 2026
- Competition formats
- The service supports more than 25 competition types, including elimination, round robin, Swiss, free-for-all, races and Grand Prix formats.challonge.com · read 15 Oct 2026
- Compliance limitation
- The terms state that the services are not tailored to comply with industry-specific regulations such as HIPAA or FISMA.challonge.com · read 28 Sep 2026
- Contests
- The platform offers voting contests and bracket prediction challenges with leaderboards, prediction statistics and CSV or email export.help.challonge.com · read 15 Oct 2026
- Embeds
- Brackets can be embedded on websites, with custom themes available on Premier.challonge.com · read 28 Sep 2026
- Events
- Events combine multiple tournaments under a dedicated page with ticketing, registration, streams and event analytics features.docs.challonge.com · read 15 Oct 2026
- Integrations
- The API allows applications to create tournaments and report scores, with listed Sandbox quotas of 500 requests per month on Standard and 2,000 on Premier.challonge.com · read 28 Sep 2026
- Legal entity and headquarters
- The legal terms identify Challonge, LLC, registered at 1300 East 86th Street, Indianapolis, Indiana, United States.challonge.com · read 15 Oct 2026
