API Directory

The GTM APIs we build on

Every data, sending and AI API in the systems we run, and what each one does in them.

Apollo

People and company data

Account lists, titles and verified contact data.

Clay

Enrichment

Waterfall enrichment and research columns at scale.

HubSpot

CRM

Records, deal stages, routing and reporting.

Salesforce

CRM

Enterprise pipeline, ownership and attribution.

Instantly

Email sending

Warmed mailboxes and multi-step email sequences.

Smartlead

Email sending

Inbox rotation and deliverability at volume.

LinkedIn

Social selling

Profile signals, engagement and outreach.

n8n

Workflows

The orchestration layer that ties every tool together.

Claude

AI models

Research, drafting and reply classification.

Slack

Alerts

Signal alerts and approvals where your team already works.

Gmail

Email

Replies, threading and human handoff.

Google Calendar

Scheduling

Booked meetings straight onto the right calendar.

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Oriel

Oriel is the GTM partner for B2B companies past founder-led sales.

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