For creators · Per-draw $4.99 · MCP-ready
Instagram Giveaway Tool for Creators — Pick Winners, Reveal Cinematically, Prove Fairness
Built for creators: cinematic reveal, MCP server for automation, per-draw $4.99.
Updated 2026-06-11 · Reference engine for the Verifiable Giveaway Protocol v1.0
Live demo — try it now
Paste the URL of your Instagram post, Reel, or Story below. We'll pull the comments and walk you through the draw.
No signup to preview comments. Payment ($4.99) is only required to execute the verifiable draw and generate the reveal video.
Why creators need a giveaway tool different from a generic picker
A meme-page picker tool optimizes for one thing: dropping a random handle as quickly as possible. A creator's workflow is shaped differently. You usually announce the giveaway in a Reel, drive comments for a week, and then reveal the winner inside a live stream, a Reel, or a Story — in front of an audience that paid attention.
That changes the requirements. You need a reveal that looks like it belongs on your channel, not a CSV download. You need proof that the winner is fair, because your audience is engaged enough to suspect otherwise. And if you run frequent giveaways as part of a sponsor deliverable, you need a way to fire the draw from an automation stack, not by hand.
Cinematic reveal — designed for the moment the winner appears
The reveal is a 1080p MP4 with a 5-second build (animated tickets fanning out, names blurring past) and a hold on the winning handle for 3 seconds. It drops into OBS, Streamlabs, TikTok Live Studio, or Reels as a clip you can play on stream. The file is rendered the instant the draw is decided, so there is no perceptible wait.
What the reveal includes
- 1920x1080 MP4 (H.264) and a 1080x1920 vertical cut for Reels
- 5s suspense build + 3s winner hold + 2s outro
- The published SHA-256 hash burned into the outro frame
- Optional brand color override (creator preset)
What “fair draw” means here — SHA-256, not vibes
A fair draw is one where the host cannot tilt the outcome and any viewer can verify they didn't. Rafflecopter publishes the canonical input JSON (sorted comments, post URL, timestamp, exclusion list) and the resulting SHA-256 seed for every draw. Anyone can re-run the open algorithm and confirm the same winner.
seed_hex = SHA256(canonical_json(input)).hex() drbg = HMAC_DRBG(seed=seed_hex) winner = fisher_yates(input.comments, drbg)[0]
This matters specifically for creators because your audience has social skin in the game. A sponsor-driven giveaway with a $500 prize attracts skeptical comments. Linking the published proof page in your caption shuts the skepticism down in one click — and it costs nothing extra because the proof is generated automatically.
MCP server — drive draws from your agent stack
Rafflecopter ships an MCP (Model Context Protocol) server. Connect it to Claude Desktop, ChatGPT Apps, n8n, or any MCP client, and your agent can list comments, exclude handles, run a verifiable draw, and return the proof URL — without browser automation, screen scraping, or fragile cookies. If you run sponsor giveaways on a schedule, you can wire the whole pipeline (post-published → wait 7 days → draw → DM winner) into a single workflow.
Tools exposed by the MCP server
rafflecopter.fetchComments(url)— returns sorted comment listrafflecopter.draw(url, n, exclusions)— runs verifiable draw, returns seed_hexrafflecopter.revealVideo(draw_id)— returns rendered MP4 URLrafflecopter.verify(seed_hex)— independent verification endpoint
FAQ
What makes Rafflecopter different from other Instagram giveaway tools?
Three things: a cinematic winner reveal video that creators play on stream or in Reels, a SHA-256 verifiable draw that any viewer can audit, and an MCP server that lets you trigger draws from Claude/ChatGPT or your own automation. We charge $4.99 per draw — no monthly fee.
How does the cinematic reveal work for live streams?
After the draw runs, Rafflecopter renders a 1080p MP4 with a 5-second suspense build and animated handle reveal. You drag the file into OBS, TikTok Live Studio, or upload directly to Reels. The reveal is queued the moment the winner is determined, so latency is sub-second.
How do I prove the draw was fair to my audience?
Every draw publishes its SHA-256 seed and canonical input JSON. Any viewer can re-run the algorithm from the published inputs and confirm the same winner. We implement the open Verifiable Giveaway Protocol (VGP v1.0), so verification is independent of Rafflecopter as a brand.
Can I automate giveaways from an agent or workflow?
Yes. Rafflecopter ships an MCP (Model Context Protocol) server. Connect it to Claude Desktop, ChatGPT Apps, or n8n, and your agent can fetch comments, run draws, and post winners — without browser automation. It's the only creator-focused giveaway tool with native MCP support.
Does $4.99 per draw really mean no subscription?
Correct. You pay $4.99 per executed draw — that includes scraping the Instagram post, the verifiable draw, the cinematic reveal MP4, and a permanent public proof page. No monthly fee, no tier upsells, no per-entry pricing. If you run two giveaways a month, you pay $9.98.
Trusted by creators
1,284 creators have run verifiable draws on Rafflecopter
4.9 / 5
Avg rating across 1,284 draws
$4.99 flat
Per draw — no subscription, ever
VGP v1.0
Reference implementation of the open protocol