API referenceContacts
Create a contact
POST
/contactsCreates a contact (409 when the address exists; use POST /contacts/batch to upsert). Resend segments and audience_id add it to private lists, topics set public list preferences, lists sets any list. Counts against the plan’s contact limit.
Authorization
apiKey AuthorizationBearer <token>
A project API key: Authorization: Bearer s0_…
In: header
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X POST "https://example.com/contacts" \ -H "Content-Type: application/json" \ -d '{ "email": "string" }'{ "object": "contact", "id": "string"}