# Superhero API

**Canonical:** https://apis.io/providers/superhero/  
**Website:** https://www.superheroapi.com/  
**APIs profiled:** 2

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.

## Kin Score — 37.6 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 37.6).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 63.5 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 42.1 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

Regulatory layer — **Government & Public Sector**: 20.4 (matched via tags).

## Agent readiness — 22.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Free — onboarding: unknown, pricing: free, trial: no (confidence: medium).

## APIs (2)

- **Superhero API Characters API** — Retrieve full or partial character data by numeric ID.
- **Superhero API Search API** — Search for characters by name.

## Agentic access (1)

- **Superhero Agentic Access** — 8 operations

## Security (1)

- **Superhero Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Superhero Plans Pricing**

## Tags

Superheroes, Comics, Characters, Marvel, DC Comics, Entertainment, Open Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/superhero/). Scores are computed from the provider's own public artifacts under a published rubric.