Random Winner API
Automated fair winner selection. Handles exclusions, eligibility rules, and notifications. Fully auditable and dispute-proof.
What It Does
Automate winner selection with configurable rules and notifications.
Fair Selection
Uses certified RNG. One entry = one chance. Optional weighted draws.
Exclusion Rules
Exclude previous winners, staff, or custom criteria. Rules fully configurable.
Eligibility Checks
Validate purchase amounts, participation dates, or custom business rules.
Auto Notifications
Email, SMS, or webhook alerts. Customizable templates. Unsubscribe links included.
Audit Trails
Immutable records of selection process. Verifiable by independent auditors.
Batch Processing
Select winners from thousands to millions of supporters instantly.
How It Works
Upload List
Provide supporter list with emails and optional metadata.
Configure Rules
Set exclusions, eligibility criteria, and selection parameters.
Select Winners
API uses certified RNG to fairly select winners based on rules.
Notify & Audit
Winners notified. Audit trail created. Results immutable.
Key Endpoints & Capabilities
Core winner selection endpoints. All operations fully auditable.
/winners/select
Select winner(s) from supporter list. Configure exclusions and rules.
/winners/notify
Send winner notifications. Email, SMS, or custom webhook.
/winners/validate
Pre-check if supporter is eligible. Verify before selection.
/winners/history
Query all previous selections. Filter by campaign or date.
/winners/audit
Download audit trail for selection process. Fully transparent.
📚 Full API Documentation: View complete endpoint reference, authentication, rate limits, and code examples at api.playfundwin.com/docs
Security & Reliability
Fair RNG
Powered by certified RNG API. Cryptographically verifiable.
Dispute-Proof
Immutable audit logs. Cryptographic signatures. Third-party verifiable.
Deduplication
Automatic detection and handling of duplicate entries.
Compliance Logging
All selections logged. Accessible by regulators. GDPR compliant.
Exclusion Enforcement
Rules strictly enforced. Cannot override or bypass exclusions.
Integrations & Webhooks
Send notifications via email, SMS, or webhooks. Integrates with Mailchimp, Twilio, and custom systems.
Email Notifications
Customizable email templates. Automated delivery. Unsubscribe links.
SMS Notifications
Twilio integration. SMS delivery to winners with claim links.
Webhook Notifications
Custom webhooks for winner events. Real-time notifications to your backend.
Mailchimp Integration
Add winners to Mailchimp lists. Trigger email sequences.
Frequently Asked Questions
What is the Random Winner API?+
Automated winner selection from supporter lists. Handles fair randomization, duplicate removal, eligibility checks, and winner notification. Integrates with your supporter database.
How does winner selection work?+
You provide a list of eligible supporters. API applies fairness criteria (no duplicates, repeat purchase rules). Uses certified RNG to select winners. Returns results with timestamps and audit log.
Can I exclude specific supporters?+
Yes. Exclusion lists, eligibility filters, and custom rules supported. E.g., exclude previous winners, staff, or specific geographic regions. Rules fully configurable.
Does it auto-notify winners?+
Yes. Send automated emails, SMS, or webhooks to winners. Customizable templates. Unsubscribe links included. Integrates with Mailchimp, Twilio, or custom systems.
What data do I need to provide?+
Supporter list (email, name, optional metadata). Campaign ID. Winner count. Optional: exclusion rules, eligibility criteria, notification preferences.
How long does selection take?+
Typically sub-second for up to 10,000 supporters. Batch processing for larger lists (100K+ supporters). Webhooks notify when complete.
Can winners be disputed?+
No. Selection is auditable and verified by RNG API. Full trail of inputs, random seed, and outputs available. Transparent to independent auditors.
What if two supporters have the same email?+
API flags duplicates. You can deduplicate before submission, or use API's automatic duplicate removal (keeps first entry). Fully logged for audit.
Can I re-draw if needed?+
Yes. Idempotent API. Resubmit with same inputs, optionally change random seed. New draw generated. Previous draws remain immutable in audit log.
Is there a cost per draw?+
No. Included with all platform plans. Unlimited draws. No per-transaction fees for API usage.