> ## Documentation Index
> Fetch the complete documentation index at: https://docs.invoca.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Can I Modify a Call Record Before the Call Ends?

> No — a call record isn't created until the call ends, so APIs can only modify it afterward.

A call record is created only after the call ends, so Invoca APIs — including the Signal API — can only be used to change a call record after that point.

**Applies to:** Customers using Invoca APIs, Signal API

## Where to go next

* [Can I Apply Signals or Marketing Data to Multiple Calls Using the Signal API?](/s/article/apply-signals-marketing-data-multiple-calls-signal-api)
* [Can the Calls-in-Progress API Be Used Without a PreSense Subscription?](/s/article/calls-in-progress-api-without-presence)