Eventzilla

Eventzilla is an event registration and ticketing platform that provides a REST API for managing events, ticket types, registrations, discounts, and attendee check-in workflows. The API uses predictable, resource-oriented URLs organized around the JSON format, enabling integrations for event creation, attendee management, order processing, and check-in operations.

Eventzilla publishes 7 APIs on the APIs.io network, including Attendees API, Categories API, Checkout API, and 4 more. Tagged areas include Event, Ticketing, Registration, Attendees, and Event Management.

The Eventzilla catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Eventzilla’s developer surface includes authentication, developer portal, documentation, pricing, engineering blog, support, signup flow, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

39.7/100 developing ▬ flat Agent 22/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

1 APIs

Event Ticketing Registration Attendees Event Management

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 39.7/100 · developing

Contract Quality 13.4 / 23

Developer Ergonomics 6.9 / 18

Access Clarity 6.4 / 18

Operational Transparency 2.5 / 12

Contract Governance 1.1 / 11

Discoverability 6.2 / 9

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/eventzilla: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Eventzilla Attendees API

Attendee management and check-in operations

Eventzilla Categories API

Event category operations

Eventzilla Checkout API

Checkout workflow operations

Eventzilla Events API

Event listing and detail operations

Eventzilla Tickets API

Ticket type operations

Eventzilla Transactions API

Transaction and order operations

Eventzilla Users API

Organizer and sub-organizer operations

Scroll for all 7

Open Collections 8

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Eventzilla Attendees API

OPEN COLLECTION

Eventzilla Attendees Categories API

OPEN COLLECTION

Eventzilla Attendees Checkout API

OPEN COLLECTION

Eventzilla Attendees Events API

OPEN COLLECTION

Eventzilla Attendees Tickets API

OPEN COLLECTION

Eventzilla Attendees Transactions API

OPEN COLLECTION

Eventzilla Attendees Users API

OPEN COLLECTION

Scroll for all 8

Pricing Plans 4

Published pricing tiers and plan structures.

Basic

0 plans

PLANS

Plus

0 plans

PLANS

Pro

0 plans

PLANS

Unlimited

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Default

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Overview

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

context Context

56 classes · 6 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Eventzilla API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 5

Standalone JSON Schema definitions for this provider's data models.

Attendee

20 properties

JSON SCHEMA

Event

25 properties

JSON SCHEMA

Ticket

23 properties

JSON SCHEMA

Transaction

20 properties

JSON SCHEMA

User

20 properties

JSON SCHEMA

Examples 5

Example request and response payloads for these APIs.

Checkin Request

2 fields

EXAMPLE

Checkin Response

6 fields

EXAMPLE

Checkout Create Request

4 fields

EXAMPLE

Checkout Create Response

8 fields

EXAMPLE

List Events

2 fields

EXAMPLE

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Eventzilla Authentication

apiKey · 1 scheme

SECURITY

Eventzilla Domain Security

TLSv1.2 · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Eventzilla Agentic Access

19 operations · 7 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Portal

Portal

Login

Signup

Signup

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Website

Website

Blog

Blog

About

About

Source (apis.yml)

name: Eventzilla
description: Eventzilla is an event registration and ticketing platform that provides a REST API for managing events, ticket
  types, registrations, discounts, and attendee check-in workflows. The API uses predictable, resource-oriented URLs organized
  around the JSON format, enabling integrations for event creation, attendee management, order processing, and check-in operations.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://www.eventzilla.net/favicon.ico
tags:
- Event
- Ticketing
- Registration
- Attendees
- Event Management
tags_raw:
- Events
- Ticketing
- Registration
- Attendees
- Event Management
url: https://raw.githubusercontent.com/api-evangelist/eventzilla/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: eventzilla:eventzilla-attendees-api
  name: Eventzilla Attendees API
  description: Attendee management and check-in operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - Attendees
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-attendees-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
- aid: eventzilla:eventzilla-categories-api
  name: Eventzilla Categories API
  description: Event category operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - Categories
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-categories-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
- aid: eventzilla:eventzilla-checkout-api
  name: Eventzilla Checkout API
  description: Checkout workflow operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - Checkout
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-checkout-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
- aid: eventzilla:eventzilla-events-api
  name: Eventzilla Events API
  description: Event listing and detail operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - Event
  tags_raw:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-events-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
- aid: eventzilla:eventzilla-tickets-api
  name: Eventzilla Tickets API
  description: Ticket type operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - Tickets
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-tickets-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
- aid: eventzilla:eventzilla-transactions-api
  name: Eventzilla Transactions API
  description: Transaction and order operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - Transaction
  tags_raw:
  - Transactions
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-transactions-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
- aid: eventzilla:eventzilla-users-api
  name: Eventzilla Users API
  description: Organizer and sub-organizer operations
  humanURL: https://developer.eventzilla.net/docs/
  baseURL: https://www.eventzillaapi.net/api/v2/
  tags:
  - User
  tags_raw:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/eventzilla-users-api-openapi.yml
  - type: Documentation
    url: https://developer.eventzilla.net/docs/
  - type: Authentication
    url: https://developer.eventzilla.net/docs/
common:
- type: Website
  url: https://www.eventzilla.net/
- type: AgenticAccess
  url: agentic-access/eventzilla-agentic-access.yml
- type: DomainSecurity
  url: security/eventzilla-domain-security.yml
- type: Authentication
  url: authentication/eventzilla-authentication.yml
- type: Portal
  url: https://developer.eventzilla.net/
- type: Documentation
  url: https://developer.eventzilla.net/docs/
- type: Pricing
  url: https://www.eventzilla.net/pricing/
- type: Blog
  url: https://www.eventzilla.net/blog/
- type: Support
  url: https://community.eventzilla.net/
- type: TermsOfService
  url: https://www.eventzilla.net/terms-conditions/
- type: PrivacyPolicy
  url: https://www.eventzilla.net/privacy-policy/
- type: Login
  url: https://app.eventzilla.net/us/login
- type: Signup
  url: https://www.eventzilla.net/
- type: About
  url: https://www.eventzilla.net/about/
modified: '2026-06-13'
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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