# IP.SB

**Canonical:** https://apis.io/providers/ip-sb/  
**Website:** https://ip.sb/  
**APIs profiled:** 2

IP.SB provides a free REST API for IP address information, offering endpoints to retrieve the caller's IP address in plain text or JSON, perform GeoIP lookups, DNS queries, domain WHOIS, speed tests, and more. The service requires no authentication, no API key, and supports CORS and JSONP for browser usage. Documentation is available at https://ip.sb/api/, pricing information at https://ip.sb/pricing/, and terms of use and privacy policy at the respective pages.

## Kin Score — 31.8 / 100 (thin)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 17.8 |
| Contract Governance | 22.0 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 14.3 |
| Access Clarity | 52.6 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 28.4 (matched via fallback).

## Agent readiness — 18.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | documented |
| 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 | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |

## APIs (2)

- **IP.SB API** — Free REST API for IP address information, providing endpoints for caller IP, GeoIP lookup, DNS queries, WHOIS, speed tests, and more. No authentication or API key required.
- **IP.SB API** — IP.SB API as documented publicly: 1 operations. Contract generated from the documentation by API Evangelist (2026-10-28); not the provider's own document.

## Security (2)

- **Ip Sb Authentication** — 0 schemes
- **Ip Sb Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Ip Sb Plans Pricing**

## Tags

Company, API, IP, GeoIP, DNS

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