# Data Theorem API Security vs Wallarm API Attack Surface Management: side-by-side comparison (2026) [Data Theorem API Security](https://cybersectools.com/tools/data-theorem-api-security) is a commercial [API security](https://cybersectools.com/categories/api-security) solution by [Data Theorem](https://cybersectools.com/companies/data-theorem). [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 API Security Solutions for Business](https://cybersectools.com/shortlists/best-api-security-solutions) picks Akamai API Security, Salt Security Salt Collect, Cloudflare API Shield and 4 more. ## Side-by-side comparison | | Data Theorem API Security | Wallarm API Attack Surface Management | |---|---|---| | Pricing model | Commercial | Commercial | | Category | API Security | External Attack Surface Management | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Data Theorem | Wallarm | | Headquarters | – | – | ### Use cases and capabilities | | Data Theorem API Security | Wallarm API Attack Surface Management | |---|---|---| | Bot Protection | Yes | – | | DAST | Yes | – | | CVE | – | Yes | | Secret Detection | – | Yes | | WAF | – | Yes | ### Core features **Data Theorem API Security** 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 **Data Theorem API Security** 13 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. - [Data Theorem API Security](https://cybersectools.com/tools/data-theorem-api-security) fits if you need both cloud and on-premises options. - [Wallarm API Attack Surface Management](https://cybersectools.com/tools/wallarm-api-attack-surface-management) fits if you want a cloud product. ## Data Theorem API Security vs Wallarm API Attack Surface Management FAQ Common questions when comparing Data Theorem API Security vs Wallarm API Attack Surface Management for API security. ### What is the difference between Data Theorem API Security and Wallarm API Attack Surface Management? **Data Theorem API Security**: API security platform for discovery, testing, and runtime protection. Built by Data Theorem. **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 Data Theorem API Security and Wallarm API Attack Surface Management? **Data Theorem API Security** is made by Data Theorem. **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 Data Theorem API Security a good alternative to Wallarm API Attack Surface Management? In part. Data Theorem API Security and Wallarm API Attack Surface Management are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Data Theorem API Security vs Indusface AppTrana - API Protection](https://cybersectools.com/compare/data-theorem-api-security-vs-indusface-apptrana-api-protection) - [Data Theorem API Security vs Imperva API Security](https://cybersectools.com/compare/data-theorem-api-security-vs-imperva-api-security) - [Data Theorem API Security vs Ammune API Discovery](https://cybersectools.com/compare/ammune-api-discovery-vs-data-theorem-api-security) - [Wallarm API Attack Surface Management vs Indusface AppTrana - API Protection](https://cybersectools.com/compare/indusface-apptrana-api-protection-vs-wallarm-api-attack-surface-management) - [Wallarm API Attack Surface Management vs Imperva API Security](https://cybersectools.com/compare/imperva-api-security-vs-wallarm-api-attack-surface-management) - [Wallarm API Attack Surface Management vs Ammune API Discovery](https://cybersectools.com/compare/ammune-api-discovery-vs-wallarm-api-attack-surface-management) ## Alternatives to each - [See all Data Theorem API Security alternatives](https://cybersectools.com/alternatives/data-theorem-api-security) - [See all Wallarm API Attack Surface Management alternatives](https://cybersectools.com/alternatives/wallarm-api-attack-surface-management) --- Source: https://cybersectools.com/compare/data-theorem-api-security-vs-wallarm-api-attack-surface-management For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/data-theorem-api-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Data Theorem API Security 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