Usage metering and rating
Event pipelines that rate consumption and trace every invoice line back to what produced it — because if your product bills on usage, the event pipeline is the product.

What a usage pipeline has to guarantee
Event collection and deduplication
High-volume ingestion with idempotency keys, so a retried delivery never bills twice and a dropped one is detected rather than silently lost.
Rating and aggregation engines
Consumption rated against the customer's plan, with tiers, included allowances, minimums and caps applied in a defined order.
Usage-based and hybrid pricing
Pure usage, subscription plus overage, committed volume with true-up — all on the same pipeline rather than as separate billing paths.
Line-level traceability
Every invoice line expandable back to the events that produced it, which is what turns a billing dispute into a two-minute conversation.
Replay and recalculation
The ability to reprocess a period after a rule correction, with a clear record of what changed and why.
Usage visible to the customer
Consumption shown during the period, not first revealed on an invoice — which is where most usage disputes begin.
Don’t see your challenge here? Talk to us about your project
Three systems producing three different totals is where the leak starts
When the meter, the log and the billing run disagree, the invoice is not wrong so much as unprovable. Nobody can say which figure is correct, and the finance team ends up discounting to close the argument.
We design the pipeline so that one number is authoritative and every derived figure can be traced back to it, then add reconciliation that reports divergence before an invoice is issued rather than after it is disputed.
- Idempotent intake
- Retries and duplicates never inflate a total.
- Gap detection
- Missing events reported, not silently absorbed.
- One source of truth
- Derived figures always traceable to source events.
- Replayable
- A period can be recalculated and the delta shown.
- Pre-bill checks
- Divergence caught before the invoice is issued.
- Customer visibility
- Usage shown during the period, not after it.
Consolidating operating-model apps into one scalable platform
For DLL we consolidated several applications into a unified, scalable digital solution — the kind of work where the first task is establishing which system is authoritative for each figure. Once that is settled, the pipeline and the reporting follow; until it is, every report is an argument.
Common questions
What volume can this handle?
The architecture is chosen for the volume — from batched ingestion for modest event rates to streaming pipelines for high throughput. We size it against your actual peak, not a theoretical one, and say what the scaling cost looks like.
What happens if events arrive late?
Late arrival is expected and handled with grace periods and explicit recalculation, rather than pretending a period closes cleanly. Where a late event changes an issued invoice, the adjustment is a linked document with its own audit trail.
Can customers see their usage before the invoice?
Yes, and we recommend it. In-period visibility removes the most common cause of usage disputes, which is the invoice being the first time anyone looked at the number.
Let's talk about your billing platform
Tell us what your commercial model looks like today and where billing is holding it back. We will come back with an honest read on the pricing model, the reconciliation work involved, and what a realistic first phase looks like.
