OpenAI API Key

Validates OpenAI API keys, specifically supporting the standard project keys starting with 'sk-proj-'.

✓ API billing key validation✓ Backend auth config validation✓ SaaS AI integrations

Safe

Test String

3 matches

sk-proj-aBcDeFgHiJkLmNoPqRsTuVwXyZ1234567890aBcDeFgH
sk-proj-12345678901234567890123456789012345678901234
sk-proj-AbCdEfGhIjKlMnOpQrStUvWxYz1234567890AbCdEfGhIjKlMnOpQrSt

ss— 's' — literal character

kk— 'k' — literal character

--— '-' — literal character

pp— 'p' — literal character

rr— 'r' — literal character

oo— 'o' — literal character

jj— 'j' — literal character

--— '-' — literal character

[…]{40,100}Character class […]— Matches any single character listed in this set — repeated between 40 and 100 times · {40,100} — between 40 and 100 times

a-za-z— a-z — range from 'a' to 'z'

A-ZA-Z— A-Z — range from 'A' to 'Z'

0-90-9— 0-9 — range from '0' to '9'

Pattern: 27 charsInput: 170 chars

100% client-side · private

✓ Valid Examples

sk-proj-aBcDeFgHiJkLmNoPqRsTuVwXyZ1234567890aBcDeFgH
sk-proj-12345678901234567890123456789012345678901234
sk-proj-AbCdEfGhIjKlMnOpQrStUvWxYz1234567890AbCdEfGhIjKlMnOpQrSt

✗ Invalid Examples

sk-proj-short
sk-api-key
sk-proj-!invalid-characters!
sk-proj-with spaces inside the key 123

Usage & Integration

Validate OpenAI API Key natively in your backend or frontend without copying regex strings.

Node / Edge

import { validate } from '@regexto/validators';

validate('openai-api-key', '...');

Python

from regexto_validators import validate

validate("openai-api-key", "...")

Go

import "github.com/regex-to/validators-go"

valid, err := validators.Validate("openai-api-key", "...")

PHP

use RegexTo\Validators\Validator;

Validator::validate('openai-api-key', '...');

Rust

use regexto_validators::validate;

let is_valid = validate("openai-api-key", "...").unwrap();