# API

{% hint style="warning" %}
This section is intended for developers utilizing our APIs to add channels.
{% endhint %}

Below you will find the keys to generate secrets payloads for adding or updating a channel via the [Script API](https://docs.edgetag.io/api/api/script).

Refer to the [onboarding page](/channels/gcp-pub-sub/onboarding.md) for detailed information on the purpose and usage of each input.

### DESTINATION

Used to store the destination. \
This has constant value  - **self**

**Example Value**\
self

**Type**\
TEXT 

**Optional**\
false

### SELF\_SERVE\_TOPIC

Used to store the Blotout Topic

**Example Value**\
BlotoutTopic

**Type**\
TEXT 

**Optional**\
false

### SELF\_SERVE\_SERVICE\_ACCOUNT\_JSON

Used to store the Service Account JSON

**Example Value**

```json
{
  "type": "service_account",
  "project_id": "my-project-test-1-389014",
  "private_key_id": "579476d1ca682d0530db0916f8d8475cdadd7e45",
  "private_key": "-----BEGIN PRIVATE KEY-----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\nE/fLhVZ6XMHaxlqOcX2tt+Q=\n-----END PRIVATE KEY-----\n",
  "client_email": "sa-two@my-project-test-1-389014.iam.gserviceaccount.com",
  "client_id": "106149908424886040139",
  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
  "token_uri": "https://oauth2.googleapis.com/token",
  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/sa-two%40my-project-test-1-389014.iam.gserviceaccount.com",
  "universe_domain": "googleapis.com"
}
```

\
**Type**\
TEXT 

**Optional**\
false


---

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