# Start (or resume) calling

> POST /campaigns/{id}/start. HeyRik API parameters and documented request and response examples.

Source: https://www.heyrik.com/docs/api-reference/campaigns/post-campaigns-id-start-start-or-resume-calling

POST https://server.heyrik.com/api/v1/campaigns/{id}/start

## Path parameters

- id (required): Replace {id} in the request URL with the value for this resource.

## Headers

Authorization: Bearer $HEYRIK_API_KEY (required). Keep your key on your server.

## Notes

Dials immediately (or at schedule_at if set). Resuming a paused campaign picks up where it left off. Needs credits + a KYC-verified number.

## Request example

```sh
curl -X POST https://server.heyrik.com/api/v1/campaigns/cmp_4a19/start \
  -H "Authorization: Bearer $HEYRIK_API_KEY"
```