Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without advanced Resend expertise, 35% of your transactional emails land in spam, generating 20-30% direct customer churn according to Mailchimp 2023 studies.
Support costs explode x4 with unmanaged bounces, e-commerce revenue losses estimated at 15k€/month for SMEs.
Deployment timelines double without optimized APIs, competitors like Klaviyo pull ahead.
Risk of permanent IP blacklists blocks 100% of flows, GDPR fines up to 4% of revenue for non-compliance.
Invest 21 hours to secure 99% deliverability, x10 ROI in 3 months.
Dive into Resend APIs to build ultra-performant transactional email flows, configure custom domains with DKIM/SPF/DMARC through practical exercises on your real project, test batch sends with intelligent throttling, generate your first deliverables like a ready-to-use API dashboard, while mastering 4xx/5xx errors for zero downtime.
Create advanced dynamic React Email templates with MJML for perfect responsiveness, integrate Resend webhooks for real-time triggers in your apps, automate bounce suppressions via exercises on concrete e-commerce cases, deploy CI/CD pipelines for template updates, produce production-ready deliverables like a complete automation kit, boost your productivity starting tomorrow.
Analyze Resend dashboards for precise metrics like open rates and spam traps, optimize IP warmups on real cases targeting 99% deliverability, scale to 1M+ emails/day via clusters, debug production incidents with live coding, finalize with a deliverable capstone project, leave as an expert ready to conquer your email challenges.
The Resend Training - Achieve 99% Advanced Email Deliverability program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Resend Training - Achieve 99% Advanced Email Deliverability program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Resend Training - Achieve 99% Advanced Email Deliverability program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Backend & APIsIndustry-certified
Backend & APIsIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Email marketing & CRMIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Backend & APIsIndustry-certified
Backend & APIsIndustry-certified
Backend & APIsIndustry-certified
Backend & APIsIndustry-certified
Backend & APIsIndustry-certified
Backend & APIsIndustry-certified
.NET & C#Industry-certified
.NET & C#Industry-certified
.NET & C#Industry-certified
.NET & C#Industry-certified
.NET & C#Industry-certified
.NET & C#Industry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.