Privacy Policy

Data we collect

Account data: your name, email address, and hashed API keys stored on signup.
Queue and entry data: queue configurations and metadata blobs you pass when enqueuing. If your metadata contains phone numbers, those are stored as part of the entry for its TTL duration.
Analytics aggregates: average wait time, throughput, and abandonment rate — computed from queue events, not linked to individual users.
Usage data: API call counts and timestamps, used to enforce tier limits and detect abuse.

How we use it

To operate the Linie platform and deliver the service you signed up for.
To send transactional emails (API key confirmations, billing receipts).
To enforce tier limits and rate limits.
To aggregate anonymised usage statistics for product improvement.

We do not sell your data. We do not use your data to train machine-learning models.

WhatsApp and phone numbers

When WhatsApp notifications are enabled on a queue, phone numbers from the metadata field are passed to the WhatsApp Business API (operated by Meta) to send notifications. The phone number and metadata are stored with the queue entry so the queue, its history and its analytics keep working after the entry is served or expires. They are kept until the operator deletes them or you ask us to (see Deleting your data).

We only use a customer's phone number for messages about the queue they joined. Customers agree to receive these messages before joining, and messages stop when they leave the queue or are served.

Your use of WhatsApp notifications must comply with Meta's WhatsApp Business Policy.

Third-party services

Service	Purpose	Data shared
Stripe	Payment processing	Email, billing address
WhatsApp Business API (Meta)	SMS-alternative notifications	Phone numbers in entry metadata
Cloud hosting provider	Infrastructure	All platform data (encrypted at rest)

Retention periods

Data type	Retention
API keys (hashed)	Until revoked by the user
Queue entries (with phone numbers and metadata)	Kept until the operator's account is deleted or you request erasure; deleted within 30 days of a verified request
Analytics aggregates	Rolling 90-day window
Account data	Until account deletion
Billing records	7 years (legal requirement)

Deleting your data

You can ask us to delete your personal data at any time, wherever you live. Email privacy@linie.io from the address or phone number concerned, or give us the queue and approximate time you joined, so we can find you.

Once we have verified the request we delete your phone number, name and any details the operator stored with your queue entries, within 30 days. Anonymous statistics (counts, waits and throughput) contain no personal data and are kept. Copies in backups are overwritten as backups rotate.

We treat requests the same way whether they come under the Singapore PDPA, the EU GDPR or any other law. If an operator, rather than Linie, decides why your data is collected, we pass the request to them where needed and tell you.

Singapore PDPA Singapore PDPA

Linie Technologies Pte. Ltd. is bound by the Personal Data Protection Act 2012 (PDPA) of Singapore. As a data intermediary for our operators, we process personal data (including customer phone numbers passed via queue entry metadata) only on behalf of and on the instructions of our operators.

Operators are responsible for obtaining consent from their customers to collect and use their phone numbers for queue notification purposes, in accordance with the PDPA.

To exercise your rights under the PDPA — access, correction, or withdrawal of consent — contact us at privacy@linie.io. We respond within 30 days.

Contact us

For privacy-related queries, data access requests, or PDPA matters, email privacy@linie.io.

Linie Technologies Pte. Ltd.
UEN 202600000A
1 Example Street, #01-01
Singapore 000000
Phone: +65 6000 0000