Documentation

Workspaces: personal and organization

Every account starts with a personal workspace. Organizations add seats, roles and shared billing. Here is how the two differ and when to use each.

JSON Formatter API

Call the JSON Formatter API — GET /v1/json-formatter. Parameters, example requests in cURL, JavaScript and Python, credits per call, and the JSON response.

How to use JSON Formatter

Get the best out of JSON Formatter: every option explained, a worked example, and what to check when the output is not what you expected.

Choosing a model

You can let us pick, choose a tier, or name a specific model. What each option means, and what happens when your plan does not include the one you asked for.

How to use UUID Generator

Get the best out of UUID Generator: every option explained, a worked example, and what to check when the output is not what you expected.

Add / Subtract Time API

Call the Add / Subtract Time API — GET /v1/add-subtract-time. Parameters, example requests in cURL, JavaScript and Python, credits per call, and the JSON response.

How AI calls are billed

An AI call costs a base charge plus the tokens it uses. Here is exactly how that is calculated, what a token is, and how to keep the cost down.

AI tools: what they are and how they differ

A handful of our tools call an AI model instead of running in your browser. That changes three things: where your data goes, what a call costs, and whether you need an account.

Changing plan: upgrades, downgrades and your billing date

Upgrades take effect now and are charged now; downgrades take effect at your next renewal. Both keep the credits you already paid for. Here is exactly what happens to your money.

Credits: the three pools and the order they are spent

Your balance is made of up to three different kinds of credit, and they are not spent in the order you might expect. This explains all three.

How to use DNS Zone Record Generator

Get the best out of DNS Zone Record Generator: every option explained, a worked example, and what to check when the output is not what you expected.

How to use Add / Subtract Time

Get the best out of Add / Subtract Time: every option explained, a worked example, and what to check when the output is not what you expected.

AI models — one OpenAI-compatible endpoint

Call every model we host from any OpenAI client by changing one string. Streaming, bring-your-own-key, scheduling and tool chaining.

Aug 13, 2026

Scheduled automation

Run a tool, a model, or both on a schedule — and have the result emailed, POSTed to your server, or saved.

Aug 12, 2026

AI tools: what they are and how they differ

A handful of our tools call an AI model instead of running in your browser. That changes three things: where your data goes, what a call costs, and whether you need an account.

Aug 9, 2026

How AI calls are billed

An AI call costs a base charge plus the tokens it uses. Here is exactly how that is calculated, what a token is, and how to keep the cost down.

Aug 9, 2026

Choosing a model

You can let us pick, choose a tier, or name a specific model. What each option means, and what happens when your plan does not include the one you asked for.

Aug 9, 2026

What happens to what you send an AI tool

Where your input goes, who processes it, how long we keep it and what we record about the call.

Aug 9, 2026

Invoices, receipts and refunds

Where to find your invoices, what the billing history shows, how refunds affect credits you have already spent, and how tax is handled.

Aug 1, 2026

Changing plan: upgrades, downgrades and your billing date

Upgrades take effect now and are charged now; downgrades take effect at your next renewal. Both keep the credits you already paid for. Here is exactly what happens to your money.

Aug 1, 2026

How plans work

What a subscription includes, how it differs from buying credits, and what happens at renewal, on a failed payment and on cancellation.

Aug 1, 2026

Expiry, auto-refill and transfers

When credits expire, how auto-refill decides to charge your card, why discounts do not apply to it, and how to move credits between your workspaces.

Aug 1, 2026

Credits: the three pools and the order they are spent

Your balance is made of up to three different kinds of credit, and they are not spent in the order you might expect. This explains all three.

Aug 1, 2026

Members, invitations and seats

How to invite people to an organization, what each role can do, how seats are counted, and what happens when an invitation expires.

Aug 1, 2026