Playground

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Start with an example

Policies

Write one or more SPDL statements

SPDL

policies.spdl

# One statement per line · # comments on separate lines—

Authorization request

Fill in the request — no JSON required

FORM

Your input stays in this browser. It is never uploaded or saved.

Ctrl + Enter

03Authorization result

Not run yet

Ready to test your policies.

Select Evaluate to check whether this request is allowed.

BOOLEAN OUTPUT

Inspect engine response JSON

New to SPDL?A one-minute reference+

Write a policy

grant user alice read book

Use effect, principal type, principal, action and resource. Each line is a statement; deny explicitly denies access.

Add a condition

grant user alice read book if clearance >= 3

Add an attribute and select its type. Use multiple values for an array. Load the Conditions example to try it.

Read the result

true — the request is allowed.
false — access is denied or no grant applies.
Input and execution errors are shown separately, never as false.

Full SPDL documentation ↗

Browser sandbox One service · up to 500 statements · 256 KiB total input · 5-second evaluation deadline.External custom functions and token assertion are not supported. Enter test identities under Subject.