Is it safe to paste code and logs into ChatGPT?

The short answer

It is as safe as sending that text to any outside service, because that is what it is. Code and logs you paste into ChatGPT, Claude, Gemini or Copilot Chat are sent to the provider and stored on its servers. So the real questions are whether your company allows it, and whether the text contains anything you would not email to a stranger.

Whether the code itself may be shared is a question for your company's AI policy. Secrets and personal data are different: a key in a chat is a working credential in a place you do not control, and customer data in a prompt is customer data shared with a third party.

What happens to what you paste

• The conversation is stored by the provider. How long, and whether it can be used to improve models, depends on your plan and settings. ChatGPT, for example, has a data control that stops your chats from being used for training, and business plans come with their own terms.
• Stored conversations may be reviewed by the provider, for example to investigate abuse.
• You cannot take a message back. Deleting the chat later does not revoke a key that was in it.
• Chats can be shared by link, exported, or read by anyone who gets into your account.

In 2023 Samsung restricted staff use of generative AI tools after engineers pasted internal source code into ChatGPT, as reported by TechCrunch. Nobody was hacked. It was ordinary debugging.

What to take out before you paste

• API keys, tokens and passwords, including ones hardcoded just for testing.
• Connection strings with credentials, and .env or config files.
• Private keys and certificates.
• Customer data in logs, fixtures and database dumps: emails, IP addresses, card numbers, phone numbers.
• Anything your company classifies as confidential, such as unreleased product names or internal hostnames.

Code that reads a secret from the environment, like process.env.STRIPE_SECRET_KEY, is fine to paste. The value is not in it.

Example: a question with a leak in it

A typical paste: a bit of code and the error it throws. Before highlights what PasteSafe finds, After is its exact output.

// charge.js
const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY);
const fallback = require('stripe')('sk_test_51FakeKeyForDocs0nlyNotReal0000'); // remove before merge

Error: connect ECONNREFUSED 198.51.100.7:5432
    at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1607:16)
  databaseUrl: 'postgres://app:Wint3r-Fake-Pass@db.example.com:5432/app',
  customer: { id: 4821, email: 'sam.lee@example.org', plan: 'pro' }

// charge.js
const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY);
const fallback = require('stripe')('STRIPE_KEY_1'); // remove before merge

Error: connect ECONNREFUSED IP_1:5432
    at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1607:16)
  databaseUrl: 'postgres://app:DB_PASSWORD_1@db.example.com:5432/app',
  customer: { id: 4821, email: 'EMAIL_1', plan: 'pro' }

The environment variable reference stays, because it holds no secret. The hardcoded test key, the database password, the IP address and the customer email are replaced. The AI can still see that there is a key, a database URL and a customer, which is all it needs to answer.

How to paste safely with PasteSafe

1. Paste the code or log into PasteSafe. The scan runs in your browser and nothing is uploaded.
2. Check the Findings list and read the cleaned text.
3. Press Copy cleaned text and paste that into ChatGPT, Claude or another assistant.
4. If the answer refers to placeholders, for example "set STRIPE_KEY_1 in your environment", paste it into Put the real values back to get a version with the real values, still in your browser.

If you already pasted a key

Rotate it. Deleting the chat is fine too, but it does not make the key stop working. What to do if you leaked an API key walks through it.

What PasteSafe does not catch

• Confidential business logic, product names and internal URLs. They are not secrets in a format a scanner can recognize.
• Names, street addresses and plain passwords written in comments or prose.
• Secrets split across lines or assembled from pieces in code.