01Ebook
Building on a Charging API
Integration patterns for operators with engineering teams
What you get
Takeaways
- Why every webhook handler must be idempotent, with the failure it prevents
- Pushing sessions into an ERP without a nightly reconciliation job
- Joining charging data to telematics for cost per kilometre
- What to build against the API rather than wait for on a roadmap
Contents
- 01
The shape of a charging API
Resources, pagination, idempotency keys and why the console being a client of the same API matters to you.
- 02
Webhooks and duplicates
At-least-once delivery guarantees a duplicate eventually. Design the handler for it, or bill a driver twice.
- 03
ERP and finance
Session-completed events into a revenue schema, and monthly reconciliation against the settlement export.
- 04
Fleet and telematics
Mapping tags to vehicles and joining energy to distance, which is the whole point for a fleet.
- 05
Warehouse and reporting
Bulk export patterns for teams who want their charging data alongside everything else.
- 06
Provisioning at scale
Creating stations, connectors, tariffs and QR codes programmatically as part of commissioning.
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