# Clairvoyance vs Data Theorem API Security: side-by-side comparison (2026)

[Clairvoyance](https://cybersectools.com/tools/clairvoyance) is a free [API security](https://cybersectools.com/categories/api-security) solution. [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). 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

| | Clairvoyance | Data Theorem API Security |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | API Security | API Security |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 1,276 | – |
| Last commit | Aug 2025 | – |
| Company | – | Data Theorem |
| Headquarters | – | – |

### Use cases and capabilities

| | Clairvoyance | Data Theorem API Security |
|---|---|---|
| GraphQL | Yes | – |
| Bot Protection | – | Yes |
| DAST | – | Yes |

### Core features

**Clairvoyance**

No features listed.

**Data Theorem API Security**

10 features listed. Sign in on the page to see them.

### Integrations

**Clairvoyance**

No integrations listed.

**Data Theorem API Security**

13 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.

- [Clairvoyance](https://cybersectools.com/tools/clairvoyance) fits if you want a cloud product, you are a startup, you need a free product and you want an open-source product.
- [Data Theorem API Security](https://cybersectools.com/tools/data-theorem-api-security) fits if you need both cloud and on-premises options.

## Clairvoyance vs Data Theorem API Security FAQ

Common questions when comparing Clairvoyance vs Data Theorem API Security for API security.

### What is the difference between Clairvoyance and Data Theorem API Security?

**Clairvoyance**: Obtain GraphQL API schema even if the introspection is disabled.

**Data Theorem API Security**: API security platform for discovery, testing, and runtime protection. Built by Data Theorem.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Clairvoyance and Data Theorem API Security?

**Clairvoyance** is open-source with 1,276 GitHub stars. **Data Theorem API Security** is made by Data Theorem. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Clairvoyance a good alternative to Data Theorem API Security?

Often, yes. Clairvoyance and Data Theorem API Security are both API Security products. Key differences: Clairvoyance is Free while Data Theorem API Security is Commercial, Clairvoyance is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Clairvoyance vs Indusface AppTrana - API Protection](https://cybersectools.com/compare/clairvoyance-vs-indusface-apptrana-api-protection)
- [Clairvoyance vs Ammune API Discovery](https://cybersectools.com/compare/ammune-api-discovery-vs-clairvoyance)
- [Clairvoyance vs Wallarm API Security](https://cybersectools.com/compare/clairvoyance-vs-wallarm-api-security)
- [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 Ammune API Discovery](https://cybersectools.com/compare/ammune-api-discovery-vs-data-theorem-api-security)
- [Data Theorem API Security vs Wallarm API Security](https://cybersectools.com/compare/data-theorem-api-security-vs-wallarm-api-security)

## Alternatives to each

- [See all Clairvoyance alternatives](https://cybersectools.com/alternatives/clairvoyance)
- [See all Data Theorem API Security alternatives](https://cybersectools.com/alternatives/data-theorem-api-security)

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Source: https://cybersectools.com/compare/clairvoyance-vs-data-theorem-api-security

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/clairvoyance.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Clairvoyance and Data Theorem API Security: 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