apiverve / csrparser
CSR Parser extracts and analyzes information from Certificate Signing Requests (CSRs), providing detailed subject information, public key details, and fingerprints.
Maintainers
Requires
- php: >=7.4
- guzzlehttp/guzzle: ^7.0
Requires (Dev)
- phpunit/phpunit: ^9.0
This package is not auto-updated.
Last update: 2026-07-16 23:50:46 UTC
README
CSR Parser extracts and analyzes information from Certificate Signing Requests (CSRs), providing detailed subject information, public key details, and fingerprints.
The CSR Parser API provides a simple, reliable way to integrate csr parser functionality into your applications. Built for developers who need production-ready csr parser capabilities without the complexity of building from scratch.
Available on:
Quick Start
Using JavaScript
async function callCSRParserAPI() { try { const requestBody = { "csr": "-----BEGIN CERTIFICATE REQUEST-----\nMIICvDCCAaQCAQAwdzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlmb3JuaWEx\nFjAUBgNVBAcMDVNhbiBGcmFuY2lzY28xEzARBgNVBAoMCkV4YW1wbGUgQ28xEDAO\nBgNVBAsMB0RldlRlYW0xFDASBgNVBAMMC2V4YW1wbGUuY29tMIIBIjANBgkqhkiG\n9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuqKT3qPzGqKqV3LqR2r3XqKqKqKqKqKqKqKq\nKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKq\nKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKq\nKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKq\nKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKq\nKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKq\nKwIDAQABoAAwDQYJKoZIhvcNAQELBQADggEBAH4jI5yKqKqKqKqKqKqKqKqKqKqK\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\n-----END CERTIFICATE REQUEST-----" }; const response = await fetch('https://api.apiverve.com/v1/csrparser', { method: 'POST', headers: { 'x-api-key': 'YOUR_API_KEY_HERE', 'Content-Type': 'application/json' }, body: JSON.stringify(requestBody) }); const data = await response.json(); console.log(data); } catch (error) { console.error('Error:', error); } } callCSRParserAPI();
Using cURL
curl -X POST "https://api.apiverve.com/v1/csrparser" \ -H "x-api-key: YOUR_API_KEY_HERE" \ -H "Content-Type: application/json" \ -d '{ "csr": "-----BEGIN CERTIFICATE REQUEST-----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\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\n-----END CERTIFICATE REQUEST-----" }'
Get your API key: https://apiverve.com
📁 For more examples, see the examples folder
Installation
Choose your preferred programming language:
📦 NPM (JavaScript/Node.js)
npm install @apiverve/csrparser
View NPM Package → | Package Code →
🔷 NuGet (.NET/C#)
dotnet add package APIVerve.API.CSRParser
View NuGet Package → | Package Code →
🐍 Python (PyPI)
pip install apiverve-csrparser
View PyPI Package → | Package Code →
💎 Ruby (RubyGems)
gem install apiverve_csrparser
View RubyGems Package → | Package Code →
🐘 PHP (Packagist)
composer require apiverve/csrparser
View Packagist Package → | Package Code →
🎯 Dart (pub.dev)
dart pub add apiverve_csrparser
View pub.dev Package → | Package Code →
🤖 Android (JitPack)
implementation 'com.github.apiverve:csrparser-api:1.0.0'
🐹 Go
go get github.com/apiverve/csrparser-api/go
Why Use This API?
| Feature | Benefit |
|---|---|
| Multi-language SDKs | Native packages for JavaScript, Python, C#, Go, and Android |
| Simple Integration | Single API key authentication, consistent response format |
| Production Ready | 99.9% uptime SLA, served from 24 global regions |
| Comprehensive Docs | Full examples, OpenAPI spec, and dedicated support |
Documentation
- 🏠 API Home: CSR Parser API
- 📚 API Reference: docs.apiverve.com/ref/csrparser
- 📖 OpenAPI Spec: openapi.yaml
- 💡 Examples: examples/
What Can You Build?
The CSR Parser API is commonly used for:
- Web Applications - Add csr parser features to your frontend or backend
- Mobile Apps - Native SDKs for Android development
- Automation - Integrate with n8n, Zapier, or custom workflows
- SaaS Products - Enhance your product with csr parser capabilities
- Data Pipelines - Process and analyze data at scale
API Reference
Authentication
All requests require an API key in the header:
x-api-key: YOUR_API_KEY_HERE
Get your API key: https://apiverve.com
Response Format
Every APIVerve endpoint returns the same envelope — check status, then read data:
{
"status": "ok",
"error": null,
"data": { ... }
}
Example Response
A real response from the CSR Parser API:
{
"status": "ok",
"error": null,
"data": {
"version": "v1",
"subject": {
"common_name": "example.com",
"organization": "Example Company Inc",
"organizational_unit": "IT Department",
"locality": "San Francisco",
"state": "California",
"country": "US",
"email": "admin@example.com"
},
"public_key": {
"algorithm": "RSA",
"size_bits": 2048,
"exponent": 65537
},
"signature_algorithm": "SHA256withRSA",
"extensions": [],
"fingerprints": {
"sha1": "82:D3:E3:9A:FB:85:22:65:16:84:43:2F:BB:05:35:2A:95:37:BF:58",
"sha256": "D8:73:E8:A3:DE:22:57:D6:AD:A0:AD:AB:53:75:FB:09:07:79:4D:21:CF:F1:0A:C0:55:EF:4B:67:A0:20:FE:9D",
"md5": "4A:AC:A6:9D:40:6C:2F:34:51:D3:A7:7E:06:23:66:0A"
},
"pem": "-----BEGIN CERTIFICATE REQUEST-----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\nqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqKqK\n-----END CERTIFICATE REQUEST-----",
"size_bytes": 705,
"format": "PEM",
"is_valid": true,
"security_assessment": {
"is_weak_key": false,
"is_deprecated_signature": false,
"key_strength": "acceptable"
}
}
}
Support & Community
- 🏠 API Home: CSR Parser API
- 💬 Support: https://apiverve.com/contact
- 🐛 Issues: GitHub Issues
- 📖 Documentation: https://docs.apiverve.com
- 🌐 Website: https://apiverve.com
Contributing
We welcome contributions! Please see CONTRIBUTING.md for guidelines.
Security
For security concerns, please review our Security Policy.
License
This project is licensed under the MIT License - see the LICENSE file for details.
Acknowledgments
Built with ❤️ by APIVerve
Copyright © 2026 APIVerve. All rights reserved.