12
Open courses
9.1/10
Cohort feedback score
2019
Training since
38
Partner orgs
1.2k+
Lab hours delivered

Cohort voice

"The REST API Foundations sandbox CRM exercise finally made pagination click — I reused the Postman folder on our warehouse sync the next week."

— Aya Watanabe, regional retail ops

Webhook labs

Signature verification drills

n8n exports

Self-hosted automation paths

Portfolio sprint

Mock panel with diagram feedback

Browse the full course catalog →

Inclusions

Live mentor blocks

Office hours with instructors who ship integrations, not slide-only lectures.

Portfolio artifacts

Diagrams, Postman collections, and workflow exports you can show in review.

JP contact line

Local phone support and Yamagata office hours for cohort questions.

Bilingual-friendly

English instruction with Japanese clarification available on request.

01 — The flow

01 Map systems & endpoints
02 Prototype in sandbox
03 Add tests & observability
04 Peer review circle
05 Ship portfolio narrative

Featured courses

REST API Foundations workshop visual
Beginner REST API Foundations Design and consume REST endpoints with Postman, OpenAPI, and error-handling patterns.
¥68,000
Webhook Orchestration Lab workshop visual
Intermediate Webhook Orchestration Lab Trigger, verify, and replay webhook events across staging and production-like environments.
¥92,000
GraphQL Integration Studio workshop visual
Intermediate GraphQL Integration Studio Query design, resolver mapping, and federation concepts for multi-service dashboards.
¥98,000
Zapier Workflow Accelerator workshop visual
Beginner Zapier Workflow Accelerator No-code automation paths for ops teams connecting spreadsheets, CRMs, and chat tools.
¥48,000

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Trusted by teams

NexRoute LabsYamagata DigitalOpsGrid PartnersSendai ConnectHigashine Makers

From our cohorts

"REST API Foundations gave me a repeatable Postman layout — our warehouse sync doc finally matches what engineers expect."

Aya Watanabe , Ops lead · Regional retail group

"Webhook lab caught our signing bug."

Hiro · Nagoya

"Postman to CI/CD Handoff Newman gate blocked two bad deploys. Short review: worth the weekend."

Emi K.

"Integration Portfolio Intensive mock panel was direct — diagram feedback referenced my actual n8n export."

Client in manufacturing

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