# Country Calling Codes

**Canonical:** https://apis.io/providers/country-calling-codes/  
**Website:** https://www.countrycalling.codes  
**APIs profiled:** 1

Public read-only reference API for ITU E.164 country calling codes, phone number formatting, batch normalization, comparison, dialing guidance, input rules, and calling windows. Ships a REST API, hosted MCP server, llms.txt, and agent skill manifest simultaneously. No authentication required.

## Kin Score — 36.3 / 100 (thin)

Scored 2026-09-25 under rubric 0.23.0. Trend: flat (-3.1 from 39.4).

| Facet | Score |
|---|---|
| Discoverability | 66.7 |
| Contract Quality | 46.5 |
| Contract Governance | 4.5 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 40.5 |
| Access Clarity | 31.6 |

Regulatory layer — **Telecommunications**: 22.5 (matched via tags).

## Agent readiness — 38.5 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | verified |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | yes |
| 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 |

## APIs (4)

- **Country Calling Codes Calling codes API** — The Calling codes API from Country Calling Codes — 2 operation(s) for calling codes.
- **Country Calling Codes Phone formatting API** — The Phone formatting API from Country Calling Codes — 1 operation(s) for phone formatting.
- **Country Calling Codes Phone workflows API** — The Phone workflows API from Country Calling Codes — 9 operation(s) for phone workflows.
- **Country Calling Codes Service API** — The Service API from Country Calling Codes — 1 operation(s) for service.

## MCP servers (2)

- **Country Calling Codes MCP Server**
- **Country Calling Codes MCP Server**

## Security (3)

- **Country Calling Codes Authentication** — 0 schemes
- **Country Calling Codes Domain Security** — TLSv1.3 · HSTS
- **Country Calling Codes Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Country Calling Codes Plans Pricing**

## Tags

Data, Reference, Telecommunications, Phone, OpenAPI, MCP

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