Contact options
General inquiries
For quotes, shipment questions, or account help, use our Contact page.
Developers
API or webhook issues? Start at Developers and include request IDs with your message.
Response times (SLA)
- Critical impact (service down, data loss): first response target 30 minutes, updates hourly.
- High impact (degraded core flow): first response 2 hours, updates every 4 hours.
- Normal (how-to, minor bug): first response 1 business day.
Targets are best-effort unless contractually specified.
Hours & regions
Core coverage is business days, with on-call for critical incidents outside hours.
How to file a great ticket
Include concrete details to reduce back-and-forth:
- Timestamps with timezone
- Account or organization name
- Request IDs, shipment IDs, or order numbers
- Endpoint or page path, HTTP method, and exact error text
- Steps to reproduce and expected vs. actual behavior
- Any screenshots or redacted payloads
Incidents & status
For live service issues and history, check the Status page.
Security & abuse
Report vulnerabilities or abuse via the Contact page with “Security” in the subject.
Data & privacy requests
For data access, correction, or deletion requests, see our Privacy Policy.
Company information
Legal & registration
- Legal name
- Pishtaz Soraat Tabadol Kian(Private Joint-Stock)
- Brand
- PST
Registered address
- Unit 3, No. 7, Barmak Alley, Alvand St., Argentina Sq., Tehran, Iran
FAQ
Do you provide phone support? Written support is default; critical issues can be escalated to phone.