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IntegrationsSetup guidesMessaging and email

Resend

Email your team a summary of each message a caller leaves.

Your receptionist can email your team when a caller leaves a message, asks for a callback, or needs something your team must handle. A webhook tool sends the email through Resend’s API.

Before you start

1

Verify your domain

In Resend, open Domains, add the domain to send from, and add the DNS records it shows. Until a domain is verified, Resend only sends test emails to your own account’s address.

2

Create an API key

Open API Keys and select Create API key. Set Permission to Sending access and restrict it to your domain. The key starts with re_. Treat it as a secret.

Create the webhook tool

Go to Integrations, select Add integration, and choose Webhook Tool.

FieldValue
Nameemail_team_message
Description”Email the team a summary when a caller leaves a message, asks for a callback, or needs something only the team can handle.”
MethodPOST
URLhttps://api.resend.com/emails
Request HeadersAuthorization: Bearer followed by your API key
Body Parametersfrom (string, required): “Always the exact value Reception <reception@YOURDOMAIN.com>.”
to (string, required): “Always the exact value team@YOURDOMAIN.com.”
subject (string, required): “For example: Callback request from Jane Doe.”
text (string, required): “The caller’s name, phone number, what they need, and when to call back.”
Assign to agentsReceptionist

Replace both addresses: from must be on your verified domain, and to is your team’s inbox.

Select Enable, then test your receptionist by leaving a message. The email arrives in your team’s inbox and shows under Emails in Resend.

Keep to fixed to your own team. Don’t let your receptionist email callers with this tool: a caller could give any address, and your domain’s reputation depends on what you send.

Troubleshooting

ProblemWhat to check
Resend returns 401The header value must be Bearer followed by the key.
Resend returns 403The from domain isn’t verified, or the key is restricted to a different domain.
The email doesn’t arriveCheck Emails in Resend for a bounce, and your team inbox’s spam folder.
The receptionist never sendsMake the tool’s description name the situations where it should send.