API access requires contacting Checkdomain to enable the account and generating an access token.
Teams cannot assume that creating a standard customer account immediately enables API requests.
Evidence source ↗
CheckDomain
Checkdomain provides a REST API for domain availability checks, registrations, portfolio administration, and DNS record management. Research did not identify it as a web-scraping product.
Developer APIs
Editorial overview
Aggregated Overview
Official documentation describes domain, contact, availability, and DNS operations, plus a sandbox and PHP client. Public pricing and independent user-review evidence were not verified. Scores assess documented scope, not hands-on use.
This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.
CheckDomain Decision Snapshot
A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.
Best suited to
Developers or domain resellers seeking to automate domain registration, portfolio administration, availability checks, or DNS updates through a REST API.
Look elsewhere if
Web scraping teams, nontechnical users seeking a visual scraping interface, or buyers needing transparent published API pricing.
Platforms
PHP, REST API, Web
TechZella assessment
4.9/10
Overview
CheckDomain, from Checkdomain GmbH, is a domain-services API rather than a web-scraping tool. Its REST endpoints support domain availability checks, portfolio operations, contact records, and DNS administration.
Developers authenticate with an access token, and the setup guide describes IP address whitelisting. Documentation also provides a sandbox, although it only checks basic request structure and authentication.
CheckDomain — What Sets It Apart?
These are the product-specific differences that may matter when deciding whether the software fits your workflow. They are based on documented evidence rather than a universal ranking.
- The API covers domain portfolio and contact administration alongside availability checks and DNS record operations.
- An API sandbox and an official PHP client are documented.
5 key claims verifiedOur editorial team checked this profile against supporting sources, company information. Supported by 3 documented sources.
CheckDomain Pros & Cons
Pros
- Documented API resources cover domain management, contact administration, availability checks, and DNS records.
- A sandbox is available for basic integration checks.
- An official PHP client and Composer installation instructions are published.
Cons
- API access requires registration and enablement by Checkdomain.
- The documented setup requires access-token handling and IP allowlisting.
- Sandbox testing does not validate submitted data.
- No public API price or production usage terms were verified.
CheckDomain Gotchas & Operational Limits
These are documented constraints or practical friction points that may matter before you adopt the product.
The guide describes IP address whitelisting for API connections.
Integrations need stable outbound IPs and an operational process for updating the allowlist.
Evidence source ↗The sandbox validates basic request details but does not validate submitted data.
Passing sandbox checks does not establish that production domain or DNS data will be accepted.
Evidence source ↗Pricing
Checkdomain’s public API documentation does not publish an API subscription price or usage fee. API access requires registration with Checkdomain; prospective users should ask the company about eligibility and costs.
Domain, hosting, and website-builder prices listed on Checkdomain’s consumer price page are separate services, so they are not presented here as API pricing. A documented sandbox is available, but no public free-trial terms were found.
CheckDomain Features
Domain operations
- Check domain availability
- List, create, retrieve, and update domains
- Manage domain contacts
- Enable or disable domain auto-renewal
DNS and API
- Retrieve and update nameserver information
- List and manage DNS records
- REST methods with JSON payloads
- Authentication using an access token
- Sandbox for basic API connection testing
Developer resources
- Official PHP client
- Composer installation support
Alternatives
CheckDomain’s documented scope is domain registration and DNS administration through an API. No alternative is listed because this research did not verify a sufficiently specific buyer-context comparison.
Demo & Screenshots
CheckDomain Specifications
| API | REST API |
|---|---|
| API format | JSON |
| API access | Registration and access-token setup required |
| IP restrictions | IP address whitelisting described in API guide |
| Sandbox | Available for basic connection, authentication, and request-structure checks |
| PHP client | Official client available through Composer under MIT license |
| Free trial | A sandbox is documented; a time-limited free trial was not verified |
| Pricing | Public API pricing not found |
Deployment & System Footprint
Verified installation, hosting, administration, or environment details that can affect implementation.
| Hosting or installation | The product is a hosted REST API. The documented guide provides sandbox and live-system API endpoints; no self-hosted deployment is described. Source ↗ |
|---|
Our evidence-based assessment
TechZella Score
A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.
4.9/10Low confidence
Official documentation describes domain, contact, availability, and DNS operations, plus a sandbox and PHP client. Public pricing and independent user-review evidence were not verified. Scores assess documented scope, not hands-on use.
Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.
Editorial transparency
Our Review Methodology
Key claims are linked to the sources used to verify them. This evidence record is separate from third-party user ratings.
TechZella evaluates software using documented product capabilities, pricing information, usability and value considerations, independent user evidence where available, and competitive context. The assessment is an editorial review, not a hands-on test unless one is explicitly identified. Our editorial assessment is based on 3 documented sources.
What TechZella adds
- The API covers domain portfolio and contact administration alongside availability checks and DNS record operations.
- An API sandbox and an official PHP client are documented.
Important limitations
- API access requires registration approval and token setup; documentation also describes IP address whitelisting.
- The sandbox checks basic request structure and authentication but does not validate submitted data.
- Public API access pricing was not located.
Evidence-backed claimsThe API supports domain portfolio and DNS administration. The API uses REST conventions and JSON request bodies for most POST and PATCH requests. The API reference includes domain availability checks and domain, contact, and nameserver resources. Checkdomain publishes a PHP API client under the MIT license. API access requires registration, an access token, and documented IP whitelisting.
The guide describes creating and maintaining domain contacts, managing domain portfolios, registering domains, and administering DNS records.
View source ↗Verified 2026-10-08The guide describes REST methods and JSON request and response formats.
View source ↗Verified 2026-10-08The V1 reference lists endpoints for domain availability, domain contacts, domains, nameservers, and records.
View source ↗Verified 2026-10-08The Checkdomain GitHub repository describes its PHP client for the REST API and identifies the MIT license.
View source ↗Verified 2026-10-08The getting-started guide outlines API registration, token creation, and IP allowlisting.
View source ↗Verified 2026-10-08Community feedback
Reviews
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FAQ
Is CheckDomain a web-scraping tool? The reviewed Checkdomain materials describe domain registration, portfolio administration, availability checks, and DNS management, not web scraping.
Does CheckDomain have an API? Yes. The company documents a REST API with JSON request and response formats.
Is API access self-service? The guide says developers must contact Checkdomain to register for API access, then create an access token.
Is there a free trial? The documentation describes a sandbox for basic connection testing. It does not establish a time-limited free trial or free production access.
What does the API cost? No public API pricing was found in the reviewed documentation. Contact Checkdomain for current terms.
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