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Billie GmbH bug bounty programs

billie.io Updated

Billie GmbH runs one public program: a self-hosted bug bounty paying up to €500.

Top reward
€500
Self-hosted
Programs
1
1 pays cash
Targets in scope
18
2 types
Last change
None yet
Tracked since Nov 2026

Where to report

The one public program Billie GmbH runs.

  • Billie

    Self-hosted · Bug bounty

    Open

    Top reward

    €500
    Critical
    €500
    High
    €200
    Medium
    €100
    Low
    €50
    Safe harbor
    Full
    First response
    2 days promised

Amounts are the top reward per severity in the currency each program pays. First response is the platform's measured average when it publishes one, else what the policy promises.

What is in scope

18 targets. 5 excluded.

  • *.bnpl.demo.billie.io

    Wildcards

  • *.transaction-monitoring.billie.io

    Wildcards

  • billie.io

    Domains

  • bnpl.demo.billie.io

    Domains

  • debug.tagging.billie.io

    Domains

  • demoshop.billie.io

    Domains

  • designated-survivor.billie.io

    Domains

  • fp.billie.io

    Domains

  • media.billie.io

    Domains

  • paella-sandbox.billie.io

    Domains

  • paella.billie.io

    Domains

  • partners-sandbox.billie.io

    Domains

  • partners.billie.io

    Domains

  • portal.billie.io

    Domains

  • salesforce-api-tmp.billie.io

    Domains

  • salesforce-api.billie.io

    Domains

  • tagging.billie.io

    Domains

  • transaction-monitoring.billie.io

    Domains

No target matches. Try part of a host name, such as the company name.

Out of scope 5

Don't test these. A program can exclude a host another program covers; the program you report to decides.

  • development, staging, testing, and sandbox systems

  • internal systems and employee-only environments

  • physical infrastructure and office environments

  • systems requiring unauthorised access methods

  • third-party platforms and providers not operated by Billie

Recent changes

Reward and scope changes across every Billie GmbH program, newest first.

No changes recorded yet. New targets and reward moves show up here and in the RSS feed.

About this page

This page gathers every public program listed under billie.io: platform programs, self-hosted policies and security.txt contacts. Each program's own policy decides what is in scope and what it pays; check it before you test.

Something wrong or missing? Report a correction.