Attestify OS
Quickstart
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Live on Base · x402 rail active

Your agent runs 24/7.
Now so does your control over it.

Set limits once. Attestify checks every payment request before your agent spends a dollar — enforced server-side, before any API call, before any money moves.

Connect your agent →Read the docs
$400M+
uncontrolled agent spend in 2025
400K+
card-holding agents active Q1 2026
$4B
forecast uncontrolled spend by 2027
12s
Attestify settlement time vs 4-day card hold

Three steps. One env var. Full control.

No card numbers. No monthly statement surprises. No rogue overnight spend.

①
Tell us about your agent
2-min setup wizard

Answer 5 questions about what your agent does, how often it runs, and what it spends on.

②
Set your rules
Budget, tasks, approvals

Monthly hard cap. Approved task types. Approval triggers above a threshold. All enforced server-side before any payment fires.

③
Paste one line. Done.
ATTESTIFY_API_KEY=…

One env var binds your agent to your governance rules. Works in Claude Desktop, Cursor, VS Code, or any custom agent runtime.

Why a shared card is the wrong tool

Card rails were built for humans. Agents are a different shape of spending.

Shared card todayAttestify
Spending controlNone — discovered on next month's statement✓Enforced before payment fires
Audit trailCard transaction list✓Every run has a receipt URL + on-chain anchor
Stops overspendNo✓Hard cap — wallet empty = payments stop
Works with Claude / CursorNo native integration✓MCP server — add one line to your config
Authorise before executeOnly declines after charge attempt✓routingIntel() checks intent before any spend
Setup time0 min (dangerously easy)5 min

Who plugs in

Anyone running an agent that can spend money is the customer.

👨‍💻
Solo dev
$100/month, coding tasks only

Agent spins infra, calls APIs, pays for compute — never exceeds your cap.

🏢
Startup CTO
Per-agent daily caps, approval at $200

Agents run 24/7, auto-settle under cap, ping Slack when approval is needed.

🏦
Enterprise
Allowlisted task types, hard monthly ceiling

Every payment has a tamper-evident receipt anchored on-chain for compliance.

🛒
Agent marketplace
Per-tenant API keys, reputation scores

Buyers trust the lane because its track record is verifiable via the trust ledger.

Your agent is running right now.
Is it under control?

Takes 5 minutes. Works with the agent you already have. No card required — fund a USDC wallet, set your limits, done.

Connect your agent — it's free to start →