SellAPI.com

Sell anything. Settle everywhere.

The Selling API for merchant accounts, marketplace payouts, and crypto rails — cards, Solana, Ethereum, and stablecoins in one developer platform.

Get API keys ↗ Explore Sell API docs →

⚡ Live sandbox in under 5 minutes

Built for teams selling via API

From first charge to multi-party payouts and on-chain sells — SellAPI.com is the Sell API platform engineers ship on.

🚀 One Sell API. Every selling motion.

Open merchant accounts, run marketplaces, and sell crypto — without stitching five processors together.

💳

Sell API & Selling API

Accept payments and create sales with a clean REST Selling API. Tokenized checkout, payment intents, refunds, and webhooks built for production. Read the Sell API complete guide.

🏦

Merchant Account Sell API

Onboard merchants with KYC/KYB, issue merchant accounts, and move funds to bank payouts. See merchant onboarding.

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Marketplace Sell API

Split payments across sellers, take platform fees, and automate connected-account payouts. Deep dive: split payments.

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Crypto Sell API

Let users sell crypto to fiat or stable value rails. Quotes, wallets, and settlement webhooks — start with the off-ramp guide.

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Solana · Ethereum · Stablecoin Sell API

Solana Sell API for fast on-chain sells. Ethereum Sell API for EVM coverage. Stablecoin Sell API for USDC/USDT-first commerce.

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Marketplace Sell API split payments neon illustration SellAPI.com
Crypto Sell API Solana Ethereum stablecoin neon art SellAPI.com

⚡ From zero to selling in three calls

Create

Open your SellAPI.com account and generate sandbox keys.

Integrate

Call the Sell API — charge cards, create marketplace transfers, or request a crypto sell quote.

Settle

Payout merchants, sellers, or wallets. Listen to webhooks for settled, failed, and disputed events.

📦 Ship a sale with a few lines

Neon-highlighted sample — same Selling API patterns extend to Merchant Account Sell API onboarding and Crypto Sell API quotes.

POST /v1/sell
{
  "amount": 4900,
  "currency": "usd",
  "product": "marketplace_order",
  "application_fee": 200,
  "transfer_data": { "destination": "acct_seller_01" }
}

🌐 Where SellAPI.com fits

🛒 Marketplaces

Marketplace Sell API for carts, commissions, and seller payouts.

🏦 Platforms & SaaS

Merchant Account Sell API for sub-merchants and embedded checkout.

🪙 Crypto apps

Crypto / Solana / Ethereum / Stablecoin Sell API for sell and off-ramp flows.

🔐 Selling infrastructure you can trust

  • PCI-aware tokenization so card data stays out of your servers — read PCI & KYC
  • KYC/KYB flows for Merchant Account Sell API onboarding
  • Signed webhooks, idempotency keys, and audit-friendly event logs
  • Controls for marketplace disputes, refunds, and chargebacks
  • Chain monitoring hooks for Solana Sell API and Ethereum Sell API settlements

💱 Simple pricing for serious sellers

Start free in sandbox. Pay as you sell in production — transparent fees for card sells, marketplace transfers, and crypto sell volume.

View pricing Talk to sales →

📚 Sell API guides & blog

Elite educational content on Sell API, marketplace splits, and crypto sell rails. View all posts.

Start selling with SellAPI.com

Get API keys, hit the sandbox, and launch your Merchant Account, Marketplace, or Crypto Sell API flow today.

Get API keys Read the Selling API docs →