# crt.guru vs Wallarm API Attack Surface Management: side-by-side comparison (2026) [crt.guru](https://cybersectools.com/tools/crtguru) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Crt.guru](https://cybersectools.com/companies/crtguru). [Wallarm API Attack Surface Management](https://cybersectools.com/tools/wallarm-api-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Wallarm](https://cybersectools.com/companies/wallarm). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | crt.guru | Wallarm API Attack Surface Management | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Crt.guru | Wallarm | | Headquarters | – | – | ### Use cases and capabilities | | crt.guru | Wallarm API Attack Surface Management | |---|---|---| | TLS | Yes | – | | SSL | Yes | – | | PCI DSS | Yes | – | | NIST | Yes | – | | Security Scanning | Yes | – | | Alerting | Yes | – | | Security Compliance Training | Yes | – | | Security Reporting | Yes | – | | Vulnerability | Yes | – | | REST API | Yes | – | | CVE | – | Yes | | Secret Detection | – | Yes | | WAF | – | Yes | ### Core features **crt.guru** 10 features listed. Sign in on the page to see them. **Wallarm API Attack Surface Management** 10 features listed. Sign in on the page to see them. ### Integrations **crt.guru** 4 integrations listed. Sign in on the page to see them. **Wallarm API Attack Surface Management** 18 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [crt.guru](https://cybersectools.com/tools/crtguru) fits if you are a startup. ## crt.guru vs Wallarm API Attack Surface Management FAQ Common questions when comparing crt.guru vs Wallarm API Attack Surface Management for external attack surface management. ### What is the difference between crt.guru and Wallarm API Attack Surface Management? **crt.guru**: External TLS cert monitoring with expiry alerts, vuln scanning & compliance reports, built by Crt.guru. **Wallarm API Attack Surface Management**: Agentless API attack surface discovery and vulnerability detection platform, built by Wallarm. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes crt.guru and Wallarm API Attack Surface Management? **crt.guru** is made by Crt.guru. **Wallarm API Attack Surface Management** is made by Wallarm. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is crt.guru a good alternative to Wallarm API Attack Surface Management? Often, yes. crt.guru and Wallarm API Attack Surface Management are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [crt.guru vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-crtguru) - [crt.guru vs Cyber Exposure Manager](https://cybersectools.com/compare/crtguru-vs-galileo-security) - [crt.guru vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/crtguru-vs-ddactic-attack-surface-discovery) - [Wallarm API Attack Surface Management vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-wallarm-api-attack-surface-management) - [Wallarm API Attack Surface Management vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-wallarm-api-attack-surface-management) - [Wallarm API Attack Surface Management vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-wallarm-api-attack-surface-management) ## Alternatives to each - [See all crt.guru alternatives](https://cybersectools.com/alternatives/crtguru) - [See all Wallarm API Attack Surface Management alternatives](https://cybersectools.com/alternatives/wallarm-api-attack-surface-management) --- Source: https://cybersectools.com/compare/crtguru-vs-wallarm-api-attack-surface-management For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/crtguru.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on crt.guru and Wallarm API Attack Surface Management: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md