Create an API key
Read or write; the secret is shown only once.
Role : ManagerDuration : 2 minOn : Web
Before you start
- Be a manager on the Callizy account.
- The server or tool that will keep the key: the secret is shown only once.
Step by step
5 steps, about 2 min- 1
Open Developers
10 sIn Administration, Settings, then Developers: the API keys tab opens.
Administration/Settings/Developers
Open this screen in Callizy - 2
Name the key
20 sClick New key. In Key name, say what it is for, for example “CRM integration”.
- 3
Choose the access
20 sRead: read calls, texts, contacts and statistics. Read and write, selected by default: on top of that, call, text and create contacts. Give only what the tool needs, then click Generate.
- 4
Copy the key and the secret
30 s“Key created, copy it now”: copy the Public key and the Secret with their buttons, then click Done. The secret will never be shown again.
- 5
Call the API
30 sEach request carries two headers: X-API-Key, the key, which starts with clz_, and X-API-Secret. This request returns your company’s record.
curl https://api.callizy.ca/api/v1/company/ -H "X-API-Key: clz_…" -H "X-API-Secret: …"
Key points
- The secret is shown only once: keep it on your server.
- A Read key gets a 403 error on any write.
- Disabling a key can be undone; deleting it stops the integrations that use it.
Not working?
Callizy shows “Name is required”
- Give the key a name: the Generate button then becomes active.
You lost the secret
- It is no longer shown: create a new key, connect it, then delete the old one.
The tool gets a 403 error when writing
- The key is Read only: create one with Read and write.
The tool no longer connects
- In the list, is the key “Disabled”? Turn it back on with the button on its row.
Frequently asked questions
Do I need a key for Claude or ChatGPT?
Where is the documentation?
Is it included in my subscription?
Updated October 27, 2026