| Price from | $0.99/mo | $2.50/mo |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 5 | 2 |
| Spec score · Domain registrars | 8.1 (#19) | 8.9 (#3) |
| API | 101domain documents a REST API and MCP Server for connecting domain services to custom applications, internal dashboards, and AI platforms. | The domain API supports domain acquisition, portfolio management, DNS settings, and aftermarket actions; API rate limits depend on account spending level. |
| API access | Yes | Yes |
| Bulk management | Yes | Yes |
| DNSSEC support | Yes | Yes |
| Founded | 1999 | 2002 |
| Free plan | No | No |
| Integrations | The company lists direct SSO integrations with Google Workspace, Microsoft Entra ID, Okta, and OneLogin. | The reseller program offers WHMCS integration for domain registration, transfer, renewal, and DNS management. |
| Support | The company offers live chat and phone support on weekdays, a knowledge base, support tickets, and an emergency support line for non-business hours. | Dynadot offers email and live chat support and says its support team works 24/7. |
| What it does | 101domain provides domain registration and management, website services, and brand protection for businesses. | Dynadot describes itself as an ICANN-accredited domain name registrar offering tools for managing domains and websites. |
| WHOIS privacy | Yes | Yes |
| Who it serves | 101domain says it works with large companies as well as startups and small businesses. | Dynadot says more than 100,000 customers from 108 countries use its services. |
