Crypto Toolkit API

// Hash
{ "input": "hello", "action": "hash", "algorithm": "sha256" }

// Encrypt (AES-256-GCM)
{ "input": "secret data", "action": "encrypt", "algorithm": "aes-256-gcm", "key": "my-key" }

// Decrypt
{ "input": "base64-ciphertext", "action": "decrypt", "algorithm": "aes-256-gcm", "key": "my-key" }

// Encode
{ "input": "hello world", "action": "encode", "algorithm": "base64" }

// Decode
{ "input": "aGVsbG8gd29ybGQ=", "action": "decode", "algorithm": "base64" }

// Verify bcrypt
{ "input": "hello", "action": "verify", "algorithm": "bcrypt", "hash": "$2a$10$..." }

hash:    md5, sha1, sha256, sha512, bcrypt, hmac-sha256, hmac-sha512
encrypt: aes-256-gcm
decrypt: aes-256-gcm
encode:  base64, base64url, hex, url, html
decode:  base64, base64url, hex, url, html
verify:  bcrypt, hmac-sha256, hmac-sha512

{
  "action": "hash",
  "algorithm": "sha256",
  "input": "hello world",
  "output": "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
  "length": 64
}

// 400 — Bad Request
{ "error": "Missing 'input' field" }
{ "error": "Invalid action. Valid: hash, encrypt, decrypt, encode, decode, verify" }

// 401 — Unauthorized
{ "error": "Invalid API key" }

// 429 — Rate Limited
{ "error": "Daily limit reached. Upgrade your plan." }