# PostalCodes.info

**Canonical:** https://apis.io/providers/postalcodes-info/  
**Website:** https://postalcodes.info/  
**APIs profiled:** 3

Postal-code lookup, search, country exports, and address validation worldwide. PostalCodes.info publishes a same-origin reference API and bulk CSV / JSON / XLSX downloads for 123+ countries, anchored on GeoNames and national open-data feeds, released under the Open Database License (ODbL) 1.0.

## Kin Score — 39.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 39.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 63.6 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

Regulatory layer — **Government & Public Sector**: 35.2 (matched via tags).

## Agent readiness — 28.1 (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 |

## Access

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

## APIs (3)

- **PostalCodes.info Downloads API** — Country-level CSV, XLSX and JSON exports.
- **PostalCodes.info Lookup Pages API** — Canonical HTML pages for manual review and citation.
- **PostalCodes.info Search API** — Interactive postal-code and locality lookup.

## Agentic access (1)

- **Postalcodes Info Agentic Access** — 5 operations

## Security (1)

- **Postalcodes Info Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Postalcodes Info Plans Pricing**

## Tags

Postal Codes, Geocoding, Open Data, Address Validation, Logistics

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