Privacy policy

Effective date: April 25, 2026

0001 is a personal tools suite operated by a sole proprietor in Tokyo, Japan.

Data we collect

  • Account and contact data, such as name, email address, company name, and messages you send to us.
  • Meta Graph API data that you authorize the app to access, such as app-scoped user identifiers, connected asset identifiers, profile data, permissions, and content or metadata required by the enabled feature.
  • Technical data, including request metadata, device/browser information, Cloudflare logs, security events, and diagnostic records.
  • Business verification documents may be reviewed for Meta verification, including tax, bank, or utility documents showing the legal name ヨアキム セレンセン and address 〒114-0022 東京都北区王子本町2丁目15-7.

How we use it

  • Operate, secure, debug, and improve 0001.dev and connected tools.
  • Provide user-authorized Meta Graph API features and explain each permission during App Review.
  • Respond to support, access, deletion, and export requests.
  • Meet legal, tax, security, platform, and business verification obligations.

Third parties

  • Meta Platforms: OAuth, app review, access verification, and Graph API features authorized by the user.
  • Cloudflare: Pages hosting, routing, security filtering, and logs for requests to 0001.dev.
  • Notion: internal task, lead, documentation, and support workflows when you contact us or when operational records are created.
  • Resend: transactional email delivery when email is required for a feature or support workflow.

Retention

We keep personal data only as long as needed to operate the service, satisfy legal or tax obligations, resolve disputes, maintain security, or complete deletion requests. Meta-derived user data is deleted or queued for deletion within 24 hours after a valid deletion request unless retention is legally required.

User rights

  • You can request access to data associated with you.
  • You can request deletion through /terms-and-conditions/data-deletion or by email.
  • You can request export of data that is reasonably portable.
  • Some records may be retained where required for tax, security, abuse prevention, or legal compliance.

Contact

For privacy requests, contact [email protected].