Verify a webhook signature
# Signing secret
const sig = req.headers['x-sendcanyon-signature']; const ok = verify(body, sig, secret);
How everything works.
Setup guides, sending mechanics and reference documentation for every part of SendCanyon.
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26 articles across 12 categories
Start here
Getting Started
From a fresh workspace to your first campaign, in order.
Quick start: zero to first campaign1 articles
Browse by area
Nine areas, from the DNS records that let you send at all to the webhook payloads that tell your stack what happened.
Domains & DNS
SPF, DKIM, DMARC and tracking domains.
Mailboxes & Warmup
Providers, connection health and ramp schedules.
Contacts & Lists
Imports, fields, dedupe and suppression.
Campaigns & Sequences
How a sequence is built and paced.
- Build a sequence: steps, delays, merge tags, stop-on-reply
- Domain pools and scheduling windows
- The launch checklist
Automations
Sort replies with AI and decide which ones reach you.
Deliverability
Signals, guardrails and recovery.
Analytics & Reporting
Metric definitions and exports.
Billing & Plans
Plans, usage and invoices.
API & Webhooks
REST reference and event delivery.
Integrations
HubSpot, Slack, Zapier and Connect SendCanyon to an AI assistant.
Free Tools
Limits, AI and what each use keeps.
Still stuck?
Support reads every message. Include the domain and the campaign name and you will get a useful answer rather than a form reply.