Outbound Sequencing
with AI at scale

Reach customers before they contact you — delivery delays, renewals, failed payments, appointment reminders. Voice, WhatsApp, SMS and email in one sequence, and every reply lands with the same agent that handles your support inbox.

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Booking.com
MoneyGram
Toters
Mollie
Viva.com
TicketSwap
FareHarbor
More.com
Indie Campers
Trunkrs
Tebi
Sunday Natural
One Car Now
KuantoKusta
IU Internationale Hochschule
Snel Een Taxi
OTO
Snoonu

Why Open

Outbound Sequencing Capabilities

Personalized outreach at scale

AI WhatsApp Sequences

Send personalized WhatsApp messages to your contact list. Agent 5 crafts each message based on customer data.

AI Phone Call Campaigns

Agent 5 calls your contact list. Natural conversations, qualification, appointment setting—all automated.

SMS with AI Responses

Send SMS campaigns with AI that responds to replies. Two-way conversations, not just broadcasts.

AI Email Sequences

Multi-step email campaigns with AI personalization. Follow-ups, drip campaigns, and targeted outreach.

Mass marketing is one-way. A blast tool stops at delivery, and the customer who replies “actually, can you move it to Thursday?” becomes somebody else's ticket.

Outbound sequencing runs on the same agent as your support inbox. It sends the reminder, reads the reply, reschedules the delivery, and writes the outcome back to the customer record — because outbound and support are one brain, not two tools handing off.

The message is the easy half. The reply is the product.

Reach thousands with AI personalization

Not mass messaging. Personalized outreach at scale. Each contact gets AI-crafted communication tailored to them.

Bulk Contact Import

Upload hundreds of thousands of contacts at once. CSV import, API integration, or sync from your CRM.

Multi-Channel Sequences

Mix WhatsApp, AI phone calls, SMS, and email in one sequence. Start with a call, follow up via email, remind via WhatsApp.

AI-Powered Personalization

Agent 5 personalizes every message based on customer data. Not templates—actual personalized communication.

Response-Based Branching

Sequences adapt based on responses. Positive reply? Move to sales. Negative? Remove from sequence. AI understands intent.

API & UI Access

Build sequences programmatically via API or use the visual editor. Full programmatic control or no-code interface—your choice.

API & UI Access

Build sequences programmatically via API or use the visual editor. Complete control however you prefer.

Create Sequence

Create multi-step sequences with delays and filters

POST /sequences

Start Sequence

Activate sequence to begin reaching contacts

PUT /sequences/:id/start

Get Sequence

Retrieve sequence details and performance

GET /sequences/:id

Update Sequence

Modify steps, delays, and targeting

PATCH /sequences/:id

Cancel Sequence

Stop a running sequence immediately

PUT /sequences/:id/cancel

Add Contacts

Add contacts to continuous sequences

POST /sequences/continuous/contacts
View Sequencing API Docs

Frequently asked questions

Find answers to common questions about Outbound Sequencing.

Hundreds of thousands. Upload contacts in bulk via CSV, API, or sync from your CRM.

WhatsApp, AI phone calls, SMS, and email. Mix and match channels in one sequence.

Yes. Agent 5 personalizes every message based on customer data, conversation history, and context. Not templates—actual personalized communication.

Yes. Sequences branch based on what customers say. Positive reply? Move to sales sequence. Negative? Remove from list. AI understands intent.

Yes. Full API access to create, start, update, and cancel sequences programmatically. Or use the visual editor.

Proactive support — delivery and delay notices, appointment reminders, failed payments, renewals, and win-back. Marketing campaigns and lead nurturing run on the same sequences.