Get in touch
Reach the right QNSI team — directly.
QNSI is a production-live quantum-native trust infrastructure platform operated by HEOSSI (PTE.) LTD. in Singapore. Use the contact form below for inquiries that need a structured response, or email the relevant team directly using the addresses on this page. Enterprise customers should reference an existing account in the message field.
Enterprise contact form
Submit a structured inquiry.
Routed to the appropriate QNSI team based on the inquiry type you select. File attachments accepted for RFPs, security questionnaires, NDAs, architecture diagrams, and compliance evidence. Server-side validation, honeypot anti-spam, and TLS in transit.
Direct channels
Email the right team directly.
Use these mailboxes when you already know which team you need. Each address routes to a dedicated QNSI / HEOSSI queue.
Sales & onboarding
Custom deployments, regulated industries, government, and partner channels.
- Enterprise salesCloud, VPC, on-premises, air-gapped, sovereign deployments.qnsi-sales@heossi.com →
- Partnerships & channelResellers, integrators, co-marketing, and joint deployments.contact@heossi.com →
- Press & analyst relationsMedia inquiries, analyst briefings, and conference engagement.contact@heossi.com →
Security & operations
Vulnerability disclosures, abuse reports, and active-incident escalation paths.
- Security disclosureResponsible disclosure of vulnerabilities. PGP key on request.qnsi-security@heossi.com →
- Active incident · production outagePage the on-call response team. Reserve for active service-impacting events.qnsi-incident@heossi.com →
- Abuse reportsPlatform misuse, policy violations, and tenant-abuse complaints.qnsi-abuse@heossi.com →
Compliance, legal & billing
Audit, contracts, invoicing, and regulatory documentation.
- Compliance & auditEvidence pack requests, control mapping, audit support.qnsi-compliance@heossi.com →
- Legal · contracts · DPAs · NDAsMaster agreements, data-processing addenda, mutual NDAs.qnsi-legal@heossi.com →
- Billing & invoicingSubscription, invoicing identity, and payment queries.qnsi-billing@heossi.com →
Product & developers
Technical support, SDK questions, and platform operations.
- Product supportExisting customers — sign in to the cloud portal for in-product support.qnsi-support@heossi.com →
- Developer relationsSDK questions, integration patterns, sample code, MCP server.qnsi-devrel@heossi.com →
- Platform operationsService-status questions, observability inquiries, SLO context.qnsi-ops@heossi.com →
Corporate & developer channels
HEOSSI (PTE.) LTD. — operating entity for QNSI.
Heossi corporate
QNSI is a quantum-native trust infrastructure product line operated by HEOSSI Pte. Ltd., headquartered in Singapore. Contracts, invoicing identity, OpenAPI contact, and other corporate matters route through the Heossi general mailbox.
heossi.com →contact@heossi.com →Developer issue tracker
Public SDK and integration source mirror. File issues against the published SDKs (TypeScript / Python / Go / Rust / JVM-Android), MCP server, browser SDK, CLI, and integration examples. Do not file vulnerability reports here — use the security disclosure channel above.
heossi-hq/qnsp-public · issues →qnsi-devrel@heossi.com →Operating jurisdiction
QNSI cloud services run from AWS Singapore (ap-southeast-1) by default. Sovereign, VPC, on-premises, and air-gapped deployments are sized to your organisation's regulatory posture during enterprise onboarding.
Compliance frameworks supported: SOC 2 · HIPAA · GDPR · PCI DSS v4 · ISO 27001 · PDPA · MAS TRM. Evidence packs available on demand to enterprise customers.
Note:
Inquiries are processed by HEOSSI (PTE.) LTD. for the sole purpose of responding to the matter raised. Submissions are not used for marketing without separate opt-in. Sensitive material (security disclosures, NDAs, security questionnaires) is handled by the relevant team only.
Public SDKs and integration examples are independently verifiable at the public SDK and integration source mirror at github.com/heossi-hq/qnsp-public.