# Squid

**Canonical:** https://apis.io/providers/squid/  
**Website:** http://www.squid-cache.org/  
**APIs profiled:** 6

Squid is a high-performance caching and forwarding HTTP web proxy used for content caching, access control, and bandwidth management. It supports HTTP, HTTPS, FTP, and other protocols, providing caching proxy features, access control lists, SSL/TLS inspection, and web content filtering for enterprises and internet service providers.

## Kin Score — 35.4 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 35.4).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 58.5 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 22.9 (agent-aware)

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

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (6)

- **Squid Access Control Configuration API** — Squid provides extensive access control configuration through its squid.conf file and runtime reload capabilities. The access control system supports ACLs for IP addresses, doma...
- **Squid Cache Statistics API** — Cache performance metrics and counters
- **Squid Configuration API** — Runtime configuration and ACL information
- **Squid Connections API** — Active connection and request management
- **Squid Memory API** — Memory allocation and pool statistics
- **Squid Operations API** — Cache operational commands

## Agentic access (1)

- **Squid Agentic Access** — 15 operations

## Security (2)

- **Squid Authentication** — http · 1 scheme
- **Squid Domain Security** — DMARC

## Plans (1)

- **Squid Plans Pricing**

## Tags

Caching Proxy, Proxy, HTTP Proxy, Web Cache, Access Control, Content Filtering

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