⚡ BPMN 2.0-compatible · Pay per instance

Keep your BPMN modeler.
Cut workflow costs by 99%.

Model your processes in the tool you already use. Point it at priostack.com/api/v1 Your workflows run on a high-performance execution engine, billed at fractions of a cent per instance.

  • Standard BPMN 2.0, no vendor lock-in
  • Pay per instance, zero idle cost
  • Deadlock detection built-in
  • From €0.005 per instance

Your API key — copy it somewhere safe.

click to copy
Priostack BPMN Engine & Job Workers

Pricing

Credits. Simple.

Starter
10,000 instances
€0.0049 / instance
€49
Buy →
Scale
1,000,000 instances
€0.000499 / instance
€499
Buy →

100 free instances · no card required · valid 30 days

Three steps. No infrastructure.

1

Sign up & get your API key

Create a free account below. You'll receive an API key and 100 free credits. No card required.

2

Change one URL in your modeler

In your BPMN modeler’s connection settings, set the workflow endpoint to
https://priostack.com/api/v1

3

Deploy & run

Hit Deploy in your modeler. Open the monitoring and task dashboards as usual. Every workflow instance costs 1 credit. Bulk packs from €0.005/instance.

Four endpoints. Any language.

POST
/api/v1/process-definitions
Upload a BPMN 2.0 file. Parsed, validated and stored instantly. Deadlock check runs automatically.
POST
/api/v1/process-instances
Start a workflow instance, pass variables. Costs 1 credit. Returns 402 when balance is zero.
POST
/api/v1/jobs/activate
Poll pending service tasks by type. Works with any HTTP client — Node, Python, Java, Go.
GET
/api/v1/incidents
List deadlocked and failed instances. Unique structural analysis catches issues before production.

View full API reference →

Built-in process dashboard

Monitor running workflows in real time — no extra licence, no external tool. Log in at /dashboard with your API key.

1

Overview & credits

Balance, active instances, completed runs and open incidents on one screen. Auto-refreshes every 5 seconds.

2

Instance inspector

Filter by ACTIVE · COMPLETED · TERMINATED. Click any row to inspect current variables and execution position.

3

Incidents & job queues

Deadlocked or failed instances surface as incidents. See pending service-task jobs per worker type.

Open dashboard →