# DuckDuckGo

**Canonical:** https://apis.io/providers/duckduckgo/  
**Website:** https://duckduckgo.com/  
**APIs profiled:** 5

DuckDuckGo is an independent online-privacy company best known for its tracker-free search engine and the DuckDuckGo Browser (iOS, Android, macOS, Windows). It operates the public Instant Answer API at api.duckduckgo.com (free, JSON/XML), the Duck.ai anonymous AI-chat proxy at duck.ai (routes to Anthropic Claude, OpenAI GPT, Meta Llama, Mistral models without storing or training on prompts), the Tracker Radar open dataset (CC BY-NC-SA), Email Protection (@duck.com forwarding addresses), and Privacy Pro (VPN + Personal Information Removal + Identity Theft Restoration).

## Kin Score — 44.8 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 44.8).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 62.2 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 50.0 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | verified |
| 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 |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (5)

- **Duck.ai Anonymous AI Chat** — Duck.ai is DuckDuckGo's anonymizing proxy in front of third-party LLMs. Free tier currently includes Anthropic Claude 4.5 Haiku, Meta Llama 4 Scout, Mistral Small 3 24B, OpenAI ...
- **DuckDuckGo Tracker Radar Dataset** — Tracker Radar is the open dataset that powers DuckDuckGo's tracker and fingerprinting protection. It is a JSON corpus of the most common third-party domains on the web, with met...
- **DuckDuckGo !Bang Redirector** — The !bang system - in place since 2008 and now spanning thousands of destinations - lets a query like "!w filter bubble" 302-redirect to the destination site's own search (Wikip...
- **DuckDuckGo Bangs API** — Resolve !bang queries to redirect URLs.
- **DuckDuckGo Instant Answers API** — Zero-click answers, abstracts, definitions and disambiguations.

## Security (2)

- **Duckduckgo Domain Security** — TLSv1.3 · HSTS · DMARC
- **Duckduckgo Vulnerability Disclosure** — disclosure policy published

## Plans (1)

- **Duckduckgo Plans Pricing**

## Tags

Search, Privacy, Browser, AI Chat, Email Protection, VPN, Trackers, Identity

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