Open-source payment infrastructure
Issue virtual cards. Enforce spend policies. Authorize every charge in real time. Self-host or let us handle it.
•••• •••• •••• 4242
Agent
research-bot
Limit
$500/day
Status
Active
How it works
Create agents with unique client IDs via the REST API. Each agent gets its own financial identity and audit context.
Each agent receives a virtual Visa with configurable per-transaction, daily, and monthly spend limits you control.
Every charge hits your webhook. Approve or decline in under two seconds based on your policies.
Capabilities
Virtual Cards
Independent financial identities with per-transaction, daily, and monthly spend caps. Freeze or revoke instantly.
•••• 4242
Agent
research-bot
Limit
$500/day
Expense Policies
Merchant restrictions, concurrency limits, cooldowns, and category blocks. Define who can spend what, where, and when.
Sub-2s webhook for every charge. Your rules, enforced at point of sale before money moves.
Every transaction logged with agent, merchant, amount, decision, and the policy that triggered it.
Authorization
When an agent attempts a purchase, your authorization webhook fires. Check limits, categories, balance, and custom policies — approve or decline in under two seconds.
Policy enforcement at point of sale
Rules checked before money moves
Sub-2 second response
Fast enough for card network requirements
Custom webhook logic
Full control with your own authorization code
Agent "research-bot" → $240 at OpenAI ✓ Per-tx limit ($500) pass ✓ Daily ($1k, spent $420) pass ✓ Monthly ($15k) pass ✓ Category (AI/ML) allowed ✓ Balance ($48,200) sufficient → APPROVED 340ms ───────────────────────────────── Agent "data-collector" → $3,200 at AWS ✓ Per-tx limit ($5,000) pass ✗ Daily ($2k, spent $800) EXCEEDED → DECLINED
Deployment
Free forever
Managed
Open-source payment infrastructure for the agentic era. Deploy on your own terms.