# Castle Device Intelligence vs Dymo API: side-by-side comparison (2026)

[Castle Device Intelligence](https://cybersectools.com/tools/castle-device-intelligence) is a commercial [fraud & account takeover prevention](https://cybersectools.com/categories/fraud-ato-prevention) solution by [Castle](https://cybersectools.com/companies/castle). [Dymo API](https://cybersectools.com/tools/dymo-api) is a commercial [fraud & account takeover prevention](https://cybersectools.com/categories/fraud-ato-prevention) solution by [Dymo](https://cybersectools.com/companies/dymo). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Castle Device Intelligence | Dymo API |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Fraud & Account Takeover Prevention | Fraud & Account Takeover Prevention |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Castle | Dymo |
| Headquarters | – | – |

### Use cases and capabilities

| | Castle Device Intelligence | Dymo API |
|---|---|---|
| Fingerprinting | Yes | – |
| Bot Protection | Yes | Yes |
| Browser Security | Yes | – |
| Fraud Detection | – | Yes |
| REST API | – | Yes |
| IP Address | – | Yes |
| URL Scanning | – | Yes |
| Spam Prevention | – | Yes |
| Validation | – | Yes |
| SDK | – | Yes |
| Crypto | – | Yes |

### Core features

**Castle Device Intelligence**

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

**Dymo API**

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

### Integrations

**Castle Device Intelligence**

No integrations listed.

**Dymo API**

2 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.

- [Dymo API](https://cybersectools.com/tools/dymo-api) fits if you are a startup and you want the lower starting price (from $14.99 per month).

## Castle Device Intelligence vs Dymo API FAQ

Common questions when comparing Castle Device Intelligence vs Dymo API for fraud & account takeover prevention.

### What is the difference between Castle Device Intelligence and Dymo API?

**Castle Device Intelligence**: Device fingerprinting and intelligence for account security and fraud detection. Built by Castle.

**Dymo API**: Fraud detection API for validating emails, IPs, phones, wallets, URLs & more. Built by Dymo.

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

### Who makes Castle Device Intelligence and Dymo API?

**Castle Device Intelligence** is made by Castle. **Dymo API** is made by Dymo founded in 2014-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Castle Device Intelligence a good alternative to Dymo API?

Often, yes. Castle Device Intelligence and Dymo API are both Fraud & Account Takeover Prevention products, and both cover Bot Protection. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Castle Device Intelligence vs IPASIS Bot Detection and Fraud Prevention API](https://cybersectools.com/compare/castle-device-intelligence-vs-ipasis-bot-detection-and-fraud-prevention-api)
- [Castle Device Intelligence vs Callsign Device Fingerprinting](https://cybersectools.com/compare/callsign-device-fingerprinting-vs-castle-device-intelligence)
- [Castle Device Intelligence vs IPQS Proxy Detection API](https://cybersectools.com/compare/castle-device-intelligence-vs-ipqs-proxy-detection-api)
- [Dymo API vs IPASIS Bot Detection and Fraud Prevention API](https://cybersectools.com/compare/dymo-api-vs-ipasis-bot-detection-and-fraud-prevention-api)
- [Dymo API vs Callsign Device Fingerprinting](https://cybersectools.com/compare/callsign-device-fingerprinting-vs-dymo-api)
- [Dymo API vs IPQS Proxy Detection API](https://cybersectools.com/compare/dymo-api-vs-ipqs-proxy-detection-api)

## Alternatives to each

- [See all Castle Device Intelligence alternatives](https://cybersectools.com/alternatives/castle-device-intelligence)
- [See all Dymo API alternatives](https://cybersectools.com/alternatives/dymo-api)

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Source: https://cybersectools.com/compare/castle-device-intelligence-vs-dymo-api

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

More on Castle Device Intelligence and Dymo API: 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