---
name: docker-tag-validator
description: "Docker Tag Validator (Docker Tag Validator) via devops.majbase.com's free public API, no key required. Keywords: validate docker image tag."
---

# Docker Tag Validator

Docker Tag Validator. Calls devops.majbase.com's free public API — no API key or authentication required.

## Endpoint

```
POST https://devops.majbase.com/docker-tag-validator/api
```

## Request / Response

```
API: POST /docker-tag-validator/api
  reference=<string>  (required — e.g. nginx:1.25.3-alpine, myregistry.com:5000/org/img@sha256:...)
Returns {"valid", "registry", "repository", "tag", "digest"}, or {"valid": false, "error": "..."}.
```

## Example

```bash
curl -sS -X POST https://devops.majbase.com/docker-tag-validator/api -H "Content-Type: application/json" -d '{"reference":"nginx:1.25.3-alpine"}'
```

## Notes

- No API key or authentication required.
- Full interactive tool: https://devops.majbase.com/docker-tag-validator/