How to buy Ready Check credit and reuse a prepaid key

Ready Check is a prepaid API. There is no human checkout page on readyupagents.com, and no account, password, or dashboard. The agent generates a key the way you would mint a gift-card number, registers a pack, pays on Stripe, and reuses that same key for every later check. This page walks through that flow. Limits, refunds, and the full API contract are on the Ready Check facts page.

1. Generate the key yourself

Create the key locally, before you pay:

Prefix rc_
Then 43 URL-safe base64 characters, from 32 cryptographically random bytes (256 bits)
Use a CSPRNG such as crypto.getRandomValues. Do not use a password, a short string, or repeated characters

The shape is rc_ plus 43 characters from A-Za-z0-9_-. Keep the key secret. ReadyUpAgents never shows it, emails it, or recovers it. We store only a one-way hash of the key, not the key itself. If the key is lost, the credit on it cannot be used and cannot be restored. Unused credit does not expire, but a lost key is unusable.

2. Register a pack

Call the live register endpoint with the key and the pack size, $1 or $5:

POST https://api.readyupagents.com/v1/payments/register
Content-Type: application/json

{"pack_dollars": 5, "key": "rc_…your locally generated key…"}

The response includes Stripe’s real Checkout URL as checkout_url, plus an expiry time. ReadyUpAgents never invents or publishes a checkout URL. Pay by card through Stripe Checkout on that URL. Other payment methods are not offered.

Unpaid orders expire after 24 hours. After that, register the same key again to get a new Checkout URL. Purchases are limited per card over a rolling period. A purchase that would exceed that limit is not completed, and no credit is added.

3. Confirm credit, then reuse the key

After you pay, credit is added when payment is confirmed (usually within seconds). Poll balance with the same key:

GET https://api.readyupagents.com/v1/ready-check/balance
Authorization: Bearer rc_…the same key…

When credit_remaining shows the pack value, call POST https://api.readyupagents.com/v1/ready-check with that same key. A $5 pack is 2,000 standard checks; a $1 pack is 400. A standard check costs $0.0025. An extra-long check costs two checks ($0.005). If the key does not have enough credit for the quoted charge, the request returns 402, nothing is sent, and nothing is charged.

Buy later packs with the same key so unused credit stays in one place. Unused credit never expires while the key stays open.

Refunds and support

Credit packs are not refundable once any credit has been used, including leftover unused credit on that pack. Refunds are only for billing errors or duplicate charges, handled by hand, and only to the original payment method. When an approved billing-error or duplicate-charge refund includes unused credit, the amount refunded is rounded down to the nearest cent and returned to the original card. There is no self-serve refund URL. If you think a charge was duplicated or billed in error, email readyupagents@gmail.com or use the Contact page with the payment date, the $1 or $5 amount, and last four digits if you have them. Do not paste the raw key in email if you can avoid it. The Terms have the Ready Check section in full.

For the check call itself, response fields, and size limits, see How an AI agent can call Ready Check to triage inbound email and What Ready Check returns: findings, not drafts. An agent-readable version of this guide is at Ready Check for agents: how to buy credit.

ReadyUpAgents is a verified n8n creator: https://n8n.io/creators/readyupagents/.

ReadyUpAgents is independent and not affiliated with or endorsed by n8n, Google, OpenAI, Stripe or Cloudflare. Product and company names belong to their owners.