Crypto swap APIs allow businesses to integrate token exchange into their own applications without building exchange infrastructure from scratch. This article examines seven case studies showing how different companies leverage these APIs to solve unique problems. Rubic used ChangeNOW's API to add non-EVM asset support for Bitcoin, Monero, and Cardano, improving swap success rates. An anonymous exchange aggregator replaced wallet connections with a deposit-and-receive flow, reducing user drop-off. Tonbankcard integrated a swap widget to cut account funding steps by 50%, also generating a 0.4% revenue share. xPortal embedded ChangeNOW into its auto-routing engine, winning trades during promotion periods. Bitcoin.com Wallet adopted a multi-provider model to overcome single-provider limitations. The article highlights that the specific benefits—from broader asset coverage to monetization—depend on the product type, with wallets, aggregators, and protocols each using the same API differently. Implementation times range from one week to three months, with measurable improvements in volume, retention, and revenue.

Key facts

• Rubic integrated ChangeNOW API for non-EVM assets (BTC, XMR, ADA), boosting swap success rates
• An aggregator reduced user drop-off by replacing wallet connections with deposit-and-receive flow
• Tonbankcard cut account funding steps by 50% using a swap widget, earning 0.4% revenue share
• xPortal embedded ChangeNOW into its auto-routing engine, winning trades during promotions

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