AI-native Promotion Infrastructure

Promotion infrastructure your AI agents
can run safely

Production-safe promotions API for teams shipping with AI agents. Atomic redemption · EU residency · Scoped agent keys with operator approval · No enterprise procurement.

Start free → no credit card

See it in action

Load-tested at 1,000 concurrent flash sales · AES-256-GCM webhook signing secrets

POST /v1/vouchers

curl https://api.vauchflow.com/v1/vouchers \
  -H "Authorization: Bearer vf_sk_••••" \
  -d '{"code":"SAVE20","discount_type":"PERCENT","discount_value":20}'

// Response
✓ 201 Created
{ "id": "vch_01HX...", "code": "SAVE20", "status": "active" }

~/.config/claude/mcp.json

{
  "mcpServers": {
    "vauchflow": {
      "url": "https://api.vauchflow.com/v1/mcp",
      "headers": {
        "X-API-Key": "vf_ak_..."
      }
    }
  }
}

Add to ~/.config/claude/mcp.json. Your agent can now list campaigns, validate vouchers, and check redemption analytics in plain English.

Use cases

Built for the way modern apps run promotions

For SaaS platforms

Drive upgrades with targeted in-app offers
Run referral programs without building infrastructure
Let AI agents create and manage campaigns under operator approval

For e-commerce brands

Prevent coupon abuse with atomic redemption + scoped keys
Launch flash sales that don't break under load
Let your support agents validate vouchers via Custom GPT

For marketplaces

Incentivize buyers and sellers with cohort-targeted vouchers
Track redemptions across complex multi-tenant systems
Surface analytics back to platform partners via the API

Outcomes

What you actually get

Atomic redemption you can trust

Single SQL UPDATE with row-level locking. 100-thread load test passes with exactly one success per voucher.

AI agents that can't go off the rails

Scoped vf_ak_* keys + operator approval queue + dry-run preview. Agents create campaigns under your control, not on auto-pilot.

Promotions infrastructure, not a tool

Multi-tenant from day one. Per-tenant rate limits, RLS, encrypted webhook secrets, GDPR-aligned EU residency.

Real-time observability

Every redemption emits a structured webhook with HMAC signing. Dead-letter queue for failed deliveries. Replay from the dashboard.

Features

Everything your promotions need.
Nothing they don't.

🎟

Voucher engine

Single codes, bulk batches up to 50k, expiry rules, and atomic redemption limits.

🔗

Referral codes

Reward both referrer and referee. Block self-referral. Track attribution cleanly.

🎁

Gift cards

Stored value with partial redemption support. Isolated from your payment path.

⚡

Flash sales

1,000+ req/s via Redis atomic counters. PostgreSQL stays the system of record.

🏢

Multi-tenant

One account, many clients. Row-Level Security isolates every tenant at the DB.

🔒

Atomic redemptions

Never over-redeemed. Enforced by an atomic SQL UPDATE + DB CHECK constraint.

🤖

MCP server

AI agents call your account via the Model Context Protocol — list campaigns, validate vouchers, fetch analytics in plain English.

✨

Custom GPT

Vauchflow Promotions Assistant in the OpenAI GPT Store. Marketers query their data without writing code.

🛡

Operator approval queue

High-risk agent actions (campaign creation, large bulk generation) route to a dashboard for one-click approve / reject. agent.action.* webhook events for audit trails.

How it works

From zero to voucher in 5 minutes.

Get your API key

curl https://api.vauchflow.com/v1/api-keys \
  -H "Authorization: Bearer vf_sk_••••"

# { "key": "vf_sk_abc123...", "type": "SECRET" }

Create a campaign

Define rules: discount type, expiry, usage limits, eligible segments.

POST /v1/campaigns
{
  "name": "Summer Sale",
  "type": "DISCOUNT",
  "rules": { "discount_value": 20,
             "max_redemptions": 500 }
}

Issue & redeem vouchers

Generate codes in bulk or on demand. Redeem atomically — never over-redeemed.

POST /v1/vouchers/SAVE20/redeem
{
  "customer_id": "cust_xyz",
  "order_value": 89.99
}

# { "discount_applied": 18.00, "status": "redeemed" }

Watch the analytics flow

Redemption rates, discount liability, fraud alerts — all in your dashboard.

GET /v1/analytics/overview

{
  "active_campaigns": 3,
  "redemptions_today": 142,
  "top_code": "SAVE20"
}

Connect your AI agents

Generate a vf_ak_* agent key with scoped grants, paste it into Claude Desktop's MCP config OR the Vauchflow Custom GPT in ChatGPT, and let your agents run safe promotions for you.

# Generate an agent key (Starter+ plans)
curl -X POST https://api.vauchflow.com/v1/api-keys/agent \
  -H "Authorization: Bearer vf_sk_..." \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Claude Desktop integration",
    "scopes": ["VOUCHER_READ", "VOUCHER_VALIDATE",
               "CAMPAIGN_READ", "ANALYTICS_READ"],
    "ttlDays": 30
  }'

Documentation

Docs that don't make you dig.

Interactive playground also available via Swagger UI →

🚀

Getting started

Up and running in minutes.

Read →

📐

API reference

Every endpoint, every parameter.

Read →

🔔

Webhook events

Real-time delivery, HMAC-signed.

Read →

🤖

AI agents

MCP, Custom GPT, scoped keys.

Read →

Pricing

Pricing that scales with your promotions

If a single discount campaign converts one extra customer, Vauchflow pays for itself in days. No setup fees, no enterprise lock-in, no credit card to start.

Sandbox

Free

Best for prototyping and integration testing.

€0 /mo

Agent keys: not available — upgrade to Starter to integrate AI agents.

25 vouchers
50 redemptions/mo
1 project
No webhooks · No analytics

Start building

Starter

Best for early-stage products with light AI integration.

€29 /mo

Includes: agent keys (vf_ak_*) + MCP server access.

1,000 vouchers
2,000 redemptions/mo
2 projects

Get started

How Vauchflow compares

Public-pricing comparison as of May 2026. We re-verify every quarter — or email us if something's stale.

Feature	Vauchflow	Voucherify
Lowest paid tier price	€29/mo	$50–$1,200/mo Build ~$50, Scale/Business ~$600, Organization ~$1,200. Publishes in USD; observed May 2026.
Atomic redemption guarantee	Yes (single-SQL UPDATE)	Yes
AI agent integration	MCP server + scoped agent keys + operator approval queue + agent.action.* audit webhooks	Vincent AI marketed (governance equivalence not independently verified)
Setup time	API key in 2 min	Days
EU residency	Yes (Hetzner / Grafana Cloud EU; off-host backups in v1.1)	EU available
Public OpenAPI spec	Browsable (browse the spec)	Closed

This comparison reflects information published on the competitor's public site at the date above. Vendors can change pricing and feature availability without notice.

See the full comparison →

No credit card required to start

Cancel anytime, no notice period

Full feature access during the 14-day sandbox

Zero data lock-in: export everything via the API

Start your first promotion in minutes

No credit card required

Get your API key →

Promotion infrastructure your AI agents can run safely

Built for the way modern apps run promotions

For SaaS platforms

For e-commerce brands

For marketplaces

What you actually get

Atomic redemption you can trust

AI agents that can't go off the rails

Promotions infrastructure, not a tool

Real-time observability

Everything your promotions need. Nothing they don't.

Voucher engine

Referral codes

Gift cards

Flash sales

Multi-tenant

Atomic redemptions

MCP server

Custom GPT

Operator approval queue

From zero to voucher in 5 minutes.

Get your API key

Create a campaign

Issue & redeem vouchers

Watch the analytics flow

Connect your AI agents

Docs that don't make you dig.

Getting started

API reference

Webhook events

AI agents

Pricing that scales with your promotions

How Vauchflow compares

Start your first promotion in minutes

Promotion infrastructure your AI agents
can run safely

Everything your promotions need.
Nothing they don't.