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💳 Stripe Payment Setup
Configure fiat payments for Agent Chain — subscriptions, customization tiers, marketplace purchases
Overview
Agent Chain uses Stripe for all fiat (USD) payments including subscription tiers, customization upgrades, and marketplace purchases. Stripe handles PCI compliance, payment processing, and refunds.
Payment Types
| Type | Stripe Product | Description |
|---|---|---|
| API Subscription | Stripe Subscriptions | Monthly/annual tier billing (Free, Hobby, Starter, Scale, Pro, Business, Enterprise) |
| W3 Intel Subscription | Stripe Subscriptions | $4.99/month — real-time web threat intelligence feed |
| Backrooms Blockchain Subscription | Stripe Subscriptions | $4.99/month — L2 unregistered agent tracking feed |
| Dark Web Intel Subscription | Stripe Subscriptions | $9.99/month — Tor-crawled dark web intelligence feed |
| Customization | Stripe Checkout | One-time Agent NFT customization tier purchase |
| Marketplace | Stripe Payment Intent | Anything listed in the marketplace (agents, skills, capabilities, data) |
Checkout Flow
1. User selects tier or item → clicks "Buy with Stripe"
2. Client calls POST /v1/marketplace/stripe/pay
3. Server creates Stripe Checkout Session
4. User redirected to Stripe-hosted checkout page
5. After payment → Stripe webhook → server confirms
6. Access granted immediately
⚠️ Stripe charges a 2.9% + $0.30 processing fee on each transaction.