Get API credentials from eClinical β usually an API key or OAuth client from your account or your IT team.
In Retell, open your agent and go to Functions β Add custom function.
Enter the endpoint URL and method, and add your credentials as headers.
Define the parameters the agent should collect from the caller and pass through.
Write the description that tells the agent when to call the function β this is what the model uses to decide.
Test it in the LLM playground, check the response parses, then publish.
Patient calls to reschedule β agent queries your eCW endpoint β confirms the new slot β writes the change back
Route the integration through your practice's interface engine so PHI handling stays inside your compliance boundary.













.avif)
.avif)
.avif)

.avif)
.avif)











.avif)














Start building smarter conversations today.

