Superhero API website screenshot

Superhero API

The Superhero API is a quantified and programmatically accessible data source of superheroes and villains from across comic book universes. It provides comprehensive character data for 731 heroes and villains including power stats, biography, appearance, work, connections, and image data from Marvel, DC, and other publishers. Developers authenticate via an API access token obtained through GitHub login and query characters by ID or name.

Superhero API publishes 2 APIs on the APIs.io network: Characters API and Search API. Tagged areas include Superheroes, Comics, Characters, Marvel, and DC Comics.

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

Superhero API’s developer surface includes documentation, engineering blog, pricing, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub
42.9/100 developing ▬ flat Agent 25/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFree
2 APIs
SuperheroesComicsCharactersMarvelDC ComicsEntertainmentOpen Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 42.9/100 · developing
Contract Quality 17.5 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 5.5 / 13
Governance 7.0 / 12
Discoverability 6.9 / 10
Agent readiness — 25/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 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
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/superhero: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

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

Superhero API Characters API

Retrieve full or partial character data by numeric ID.

Superhero API Search API

Search for characters by name.

Pricing Plans 1

Published pricing tiers and plan structures.

Superhero Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Superhero Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Superhero Finops

FINOPS

Semantic Vocabularies 1

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

context Context

18 classes · 16 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Superhero API API Rules

6 rules · 4 warnings 2 info

SPECTRAL

JSON Schema 1

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

Character

9 properties

JSON SCHEMA

Examples 3

Example request and response payloads for these APIs.

Batman

9 fields

EXAMPLE

Search Results

3 fields

EXAMPLE

Spider Man

9 fields

EXAMPLE

Security Posture 1

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

Superhero Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

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

Superhero Agentic Access

8 operations

8 operations · 0 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: superhero
name: Superhero API
description: The Superhero API is a quantified and programmatically accessible data source of superheroes and villains from
  across comic book universes. It provides comprehensive character data for 731 heroes and villains including power stats,
  biography, appearance, work, connections, and image data from Marvel, DC, and other publishers. Developers authenticate
  via an API access token obtained through GitHub login and query characters by ID or name.
kind: Index
accessModel:
  pricing: free
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Free
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/superhero.png
tags:
- Superheroes
- Comics
- Characters
- Marvel
- DC Comics
- Entertainment
- Open Data
url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
access: 3rd-Party
position: Consuming
apis:
- aid: superhero:superhero-characters-api
  name: Superhero API Characters API
  description: Retrieve full or partial character data by numeric ID.
  humanURL: https://www.superheroapi.com/
  baseURL: https://superheroapi.com/api.php
  tags:
  - Characters
  properties:
  - type: OpenAPI
    url: openapi/superhero-characters-api-openapi.yml
  - type: Documentation
    url: https://www.superheroapi.com/api.html
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/json-schema/character.json
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/vocabulary/vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/json-ld/context.jsonld
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/plans/superhero-plans-pricing.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/rate-limits/superhero-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/finops/superhero-finops.yml
- aid: superhero:superhero-search-api
  name: Superhero API Search API
  description: Search for characters by name.
  humanURL: https://www.superheroapi.com/
  baseURL: https://superheroapi.com/api.php
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/superhero-search-api-openapi.yml
  - type: Documentation
    url: https://www.superheroapi.com/api.html
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/json-schema/character.json
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/vocabulary/vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/json-ld/context.jsonld
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/plans/superhero-plans-pricing.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/rate-limits/superhero-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/finops/superhero-finops.yml
common:
- type: AgenticAccess
  url: agentic-access/superhero-agentic-access.yml
- type: DomainSecurity
  url: security/superhero-domain-security.yml
- type: Website
  url: https://www.superheroapi.com/
- type: Documentation
  url: https://www.superheroapi.com/api.html
- type: GitHubOrg
  url: https://github.com/topics/superheroapi
- type: LinkedIn
  url: https://www.linkedin.com/
- type: Blog
  url: https://www.superheroapi.com/
- type: Pricing
  url: https://www.superheroapi.com/
- type: StatusPage
  url: https://www.superheroapi.com/
- type: X
  url: https://x.com/
- type: Plans
  url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/plans/superhero-plans-pricing.yml
- type: RateLimits
  url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/rate-limits/superhero-rate-limits.yml
- type: FinOps
  url: https://raw.githubusercontent.com/api-evangelist/superhero/refs/heads/main/finops/superhero-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com