Check an email before inviting

check_member_email

Checks one email address before inviting it, reporting whether it is already a member, already invited or free to invite.

POST /v1/check_member_emailScopeworkspaces:readRead only

Call it before invite_workspace_member so nobody is sent a second invitation by mistake. A free address answers Email is valid., while a taken one comes back as an error reading This user is already a workspace member! or This user already has a pending invitation!

It also refuses your own address, with You cannot invite yourself!, and any address that belongs to a Modulify site. Although it only reads, it needs the Manage members permission (members.manage), the same one inviting needs. See Members and roles.

Request

Call it with a POST to https://api.modulify.ai/v1/check_member_email, sending the inputs below as a JSON object. The token needs the workspaces:read scope.

It only reads and changes nothing, so retrying it is safe.

curl -X POST https://api.modulify.ai/v1/check_member_email \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"workspaceId":"WORKSPACE_ID","email":"EMAIL"}'

Over MCP, the same method is the check_member_email tool.

Inputs

Input	Type	Required	Description
`workspaceId`	string	Yes	The workspace id.
`email`	string	Yes	The email address to check.

Response

Every call answers with the JSON envelope of success, message, data, code and version. data holds the result described above, and on a method that returns a total, count carries it. The response headers carry the call's X-Request-Id and what is left of your per-minute budget in X-RateLimit-Limit, X-RateLimit-Remaining and X-RateLimit-Reset. Errors explains every status code a call can answer with.