Connect Telnyx
You need API key. About two minutes.
1Get your API key
API key
KEY…- In the Telnyx portal, open the account icon at the top right, then Account Settings, API Keys.
- Click Create API Key at the top right.
- Copy the key now: it is only visible when it is created.
A v2 API key from the Telnyx portal. Reading the balance is free.
Open the pagehttps://portal.telnyx.com/#/app/api-keys
2Add it to CreditBar
- Open CreditBar from the menu bar and choose Settings, then Accounts.
- Click Add account and pick Telnyx.
- Paste the API key into the matching field, and give the account a label you will recognise.
- Click Test connection, then Add. Numbers appear in the menu bar within a minute.
Keys are stored in your Mac's Keychain and only ever sent to Telnyx. Nothing passes through a CreditBar server.
3What it reads
- Reports
- prepaid balance, credit limit and what is actually available to spend
- Calls
- https://api.telnyx.com/v2/balance
- Refreshes
- At most every 5 minutes
- API docs
- Telnyx reference, checked 2026-09-16
Pending charges are not yet deducted, so available credit is the number to watch.