GoDaddy ANS vs Headless Domains: Agent Identity Compared

Give customers a public name they can recognize, and give your application the identity evidence its connections require. GoDaddy ANS registers a versioned, certificate-backed identity tied to an agent's DNS host. Headless Domains gives an agent or service a maintained public name connected to its identity records and official interfaces.

Start with what your caller needs to do: discover the service, inspect its operator and endpoints, verify ANS certificates, or manage its registration. GoDaddy's new scoped access tokens make that last part more specific, while a headless name supplies a consistent public reference across the places customers find your service.

Compare the identity each system publishes

Use the current ANS registration reference for GoDaddy's contract and the Headless Domains manifest reference for the hosted public records. Each implementation defines its own structure and verification behavior.

GoDaddy now offers scoped ANS access tokens

GoDaddy's October 15 Personal Access Token update adds two ANS scopes. A read token supports inspection such as resolution, certificate status and agent events. A management token supports registration, verification, revocation and renewal, and also permits the read operations.

• ans.agent-registration:read serves a caller that needs the supported read operations.
• ans.agent-registration:write serves a registration or lifecycle worker that needs management access. It implies the read scope.

Create a new PAT with the required ANS permissions; older PATs do not acquire them automatically. Requests use Authorization: Bearer with the token. Existing classic developer keys continue working, and PAT scopes do not apply to those keys.

GoDaddy also documents anonymous access for the registered-agent search, list and retrieve operations, limited to 60 requests per minute per client IP; using a PAT raises that limit to 3,000. Match the credential to the particular operation instead of giving every discovery client management access.

For a deployment, give a discovery client read access and reserve management access for the worker maintaining registrations and certificates. Keep the credentials private and put revocation into the operating procedure.

ANS connects the identity to a DNS host and certificates

Imagine a booking agent running at booking.example.com. Its ANS registration includes the host, version and service endpoints. GoDaddy's registration reference supports external-domain validation through an asynchronous ACME path, so the domain does not have to move to GoDaddy.

Keep the HTTPS server certificate separate from the ANS identity certificate. The documented bring-your-own-certificate path applies to the server certificate; the registration still requires an identity certificate signing request. Maintain the keys and renewal process for the identity your clients verify.

The ANSName Registry search reference describes searches by host, version and protocol. The open-source ANS reference implementation supplies additional verification context, including transparency-log and offline-verifier components.

Headless Domains connects the service to a public name

A Headless Domains name gives customers and compatible agents a maintained reference for the work you operate. Its hosted JSON and Markdown records can describe the agent and link to current service information, documentation and supported interfaces.

Your booking service can keep its existing API and website hosts. Headless Domains and SkyInclude maintain API and command-line lookup infrastructure, so agents can use the name without depending on conventional browser resolution.

The HeadlessDomains.com machine instructions explain registration and lookup. The resolver supplies public, read-only discovery; the receiving service verifies evidence and enforces access to the requested operation.

Use the public name across the service's documentation and supported directory profiles. When the API moves, update the records so customers have a familiar place to find the current route.

Keep name recognition, verification and permission connected

An ANS-aware client applies its certificate and registration-verification policy. A public Headless Domains record supplies information and evidence references for the claims your application needs to assess. An ordinary registration does not produce an ANS certificate.

For a booking request, establish the operator and official endpoint, then authenticate the caller and apply the booking permissions. Identifying the right service does not authorize a refund or access to another customer's reservation.

You can maintain an ANS host identity alongside a Headless Domains public name. Publish the relationship in operator-controlled documentation and have the consuming application substantiate it through evidence it trusts. This arrangement takes application integration; it is not an automatic binding between the two products.

Compare the costs of the arrangement you will operate

For ANS, account for the underlying domain, certificate handling, access terms and any applicable service fees. A promotion for a conventional domain is a different quote from the agent-identity service.

For Headless Domains, use the current registration and renewal options and the quote for the selected name and term. Keep the registration cost alongside the work of maintaining its public records and connecting the clients that will use them.

Keep an owner responsible for the name, current service links and verification setup, including access recovery and retirement. The ERC-8004 comparison covers the separate decision to connect an onchain registration.

Test one service from lookup to an allowed request

Ask your developer to retrieve the public information, select the advertised endpoint and complete a permitted test operation. For ANS, include the expected host/version identity and certificate checks. For Headless Domains, inspect the resolved operator information and current service records.

Then change one condition in the test: an unexpected endpoint, mismatched identity evidence or an operation outside the caller's permissions. Confirm that the component responsible for that check refuses it while the normal request still works.

Give the booking agent a name customers can return to. Share the HeadlessDomains.com setup instructions with your assistant, choose a public name for the service and connect its official records to the interfaces you operate.

Connect the name to your service with What to Do After Registering a Headless Domain: 7 Next Steps.