WalletWallet API lets developers generate Apple Wallet passes with a single API call. Send JSON, get a signed .pkpass file back — no Apple developer account, certificates, or multi-step setup required. WalletWallet handles all the Apple signing infrastructure so teams can focus on their product instead of PassKit complexity. The API supports all barcode formats (QR, PDF417, Aztec, Code 128), fully customizable fields (primary, secondary, header, back-of-pass), custom colors, logos, thumbnails, and strip images. A built-in visual pass editor lets you design passes and export the exact API call to reproduce them. Free for up to 1,000 passes per month with no credit card required. The Pro plan ($19/month) includes 100,000 passes, custom branding, and priority support.