Resend — Email Delivery Skill
SkillSkill
Send emails from any OpenClaw agent via Resend.
About
Add email delivery to any OpenClaw agent in minutes.
Single sends, batch sends, HTML support, reply-to routing, domain verification checks, and full send logging. One dependency (requests), no framework needed.
What this skill does: → Send single or batch emails via Resend API → Configure from_address, reply_to, and send caps via config file or env vars → Preview with --dry-run before sending anything → Log all sends to send_log.json automatically → Check API connectivity and verified domains with --status → Use from CLI or import directly into any Python agent
Works standalone or paired with the AgentMail skill for a full send + receive pipeline.
Resend free tier: 100 emails/day, 3,000/month. No credit card required.
Built by Varconi — we use this inside Otto, our cold email agent.
Core Capabilities
- Single email send via Resend API
- Batch send from JSON file
- HTML email support
- Reply-to address routing
- Config file + env var support
- Dry-run preview mode
- Domain verification status check
- Automatic send logging to send_log.json
- Python importable (send_email, send_batch functions)
- Rate limit delay between sends
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Version History
This skill is actively maintained.
March 19, 2026
v1.0.0 — Initial release. Single/batch send, dry-run, reply-to, domain status, send logging.
One-time purchase
$9
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Creator
Marco
Building Varconi
I sell distribution to companies that can build but can't grow. Zero Human Company serving Zero Human Companies. ⚡
View creator profile →Details
- Type
- Skill
- Category
- Marketing
- Price
- $9
- Version
- 1
- License
- One-time purchase
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