One integration.
Every crypto payment experience.

Name: ZendFi
Rating: 5.0 (1 reviews)
Author: ZendFi

ZendFi gives you a complete crypto payment stack — on-chain checkouts, gasless payments, multi-chain support, powerful APIs and SDKs, plus AIP-1 for secure autonomous agent spending all through one integration.

Get Started Explore AIP-1

Introducing AIP-1 Protocol

The Future of
Agent Payments

AIP-1 allows you build the agents that can spend autonomously, your users stay in control, and non one, not even us can access their keys. Threshold cryptography makes this possible!

Autonomy

Agents execute transactions independently with zero manual intervention required.

Security

Military-grade encryption with granular spending controls and real-time audit logs.

Non-Custody

Threshold cryptography across 100+ nodes ensures no single point of failure.

How It Works

Four steps to cryptographic perfection. Your agent signs, you stay sovereign.

Keypair Generation

Create your cryptographic identity on-device with military-grade entropy.

Shard Distribution

Private key fragments encrypted and distributed across decentralized network.

Policy Definition

Set spending limits, time windows, merchant whitelist, and emergency controls.

Autonomous Signing

Shards recombine in secure enclaves, sign transaction, then instantly self-destruct.

Built for EveryUse Case

From e-commerce to enterprise, ZendFi powers payments for businesses of all sizes.

E-commerce Stores

Accept crypto for digital products with instant settlements and zero chargebacks.

USE CASES:

Selling courses, software, templates, digital downloads

example.ts

const payment = await zendfi.createPayment({
  amount: 99.00,
  currency: 'USD',
  token: 'USDC',
  description: 'Premium Course'
});

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SaaS Platforms

Recurring billing in USDC with lower fees than traditional subscription processors.

USE CASES:

Monthly/annual plans, metered billing, usage-based pricing

example.ts

const plan = await zendfi.createSubscriptionPlan({
  name: 'Premium Monthly',
  amount: 29.99,
  currency: 'USD',
  interval: 'monthly'
});

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Marketplaces

Escrow payments with buyer/seller protection and configurable release conditions.

USE CASES:

Freelance platforms, NFT marketplaces, peer-to-peer trading

example.ts

const escrow = await zendfi.createEscrow({
  buyer_wallet: '7xKBN...pT2',
  seller_wallet: '8yLMQ...qW3',
  amount: 500.00,
  release_conditions: { type: 'manual_approval' }
});

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Buy Now, Pay Later

Built-in installment plans for high-ticket items without third-party services.

USE CASES:

Split payments over 3, 6, or 12 months

example.ts

const plan = await zendfi.createInstallmentPlan({
  customer_email: 'customer@example.com',
  total_amount: 1200.00,
  installment_count: 6,
  payment_frequency_days: 30
});

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Invoice Billing

Professional invoices with crypto payment options and automatic reminders.

USE CASES:

Agency work, consulting, B2B services, contract work

example.ts

const invoice = await zendfi.createInvoice({
  customer_email: 'client@company.com',
  due_date: '2025-12-31',
  items: [{ description: 'Web Design', unit_price: 5000.00 }]
});

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Gaming & Apps

In-app purchases with instant confirmation and global reach.

USE CASES:

Game credits, premium features, virtual goods, consumables

example.ts

const payment = await zendfi.createPayment({
  amount: 4.99,
  currency: 'USD',
  token: 'USDC',
  metadata: { itemId: 'gold_pack_1000' }
});

6 of 6

Ready to build your use case?

One integration.
Every crypto payment experience.

Get Started Explore AIP-1

Introducing AIP-1 Protocol

The Future of
Agent Payments

AIP-1 allows you build the agents that can spend autonomously, your users stay in control, and non one, not even us can access their keys. Threshold cryptography makes this possible!

Autonomy

Agents execute transactions independently with zero manual intervention required.

Security

Military-grade encryption with granular spending controls and real-time audit logs.

Non-Custody

Threshold cryptography across 100+ nodes ensures no single point of failure.

How It Works

Four steps to cryptographic perfection. Your agent signs, you stay sovereign.

Keypair Generation

Create your cryptographic identity on-device with military-grade entropy.

Shard Distribution

Private key fragments encrypted and distributed across decentralized network.

Policy Definition

Set spending limits, time windows, merchant whitelist, and emergency controls.

Autonomous Signing

Shards recombine in secure enclaves, sign transaction, then instantly self-destruct.

APIS AND SDKS

Integrate in Minutes

Our simple REST API and SDKs let you integrate global crypto payments in minutes, not months, without needing a blockchain team.

INSTANT CASH FLOW

Dashboard

Manage your entire global revenue stream through a single, secure merchant dashboard.

Built for EveryUse Case

From e-commerce to enterprise, ZendFi powers payments for businesses of all sizes.

E-commerce Stores

Accept crypto for digital products with instant settlements and zero chargebacks.

USE CASES:

Selling courses, software, templates, digital downloads

example.ts

const payment = await zendfi.createPayment({
  amount: 99.00,
  currency: 'USD',
  token: 'USDC',
  description: 'Premium Course'
});

1 of 6

SaaS Platforms

Recurring billing in USDC with lower fees than traditional subscription processors.

USE CASES:

Monthly/annual plans, metered billing, usage-based pricing

example.ts

const plan = await zendfi.createSubscriptionPlan({
  name: 'Premium Monthly',
  amount: 29.99,
  currency: 'USD',
  interval: 'monthly'
});

2 of 6

Marketplaces

Escrow payments with buyer/seller protection and configurable release conditions.

USE CASES:

Freelance platforms, NFT marketplaces, peer-to-peer trading

example.ts

const escrow = await zendfi.createEscrow({
  buyer_wallet: '7xKBN...pT2',
  seller_wallet: '8yLMQ...qW3',
  amount: 500.00,
  release_conditions: { type: 'manual_approval' }
});

3 of 6

Buy Now, Pay Later

Built-in installment plans for high-ticket items without third-party services.

USE CASES:

Split payments over 3, 6, or 12 months

example.ts

const plan = await zendfi.createInstallmentPlan({
  customer_email: 'customer@example.com',
  total_amount: 1200.00,
  installment_count: 6,
  payment_frequency_days: 30
});

4 of 6

Invoice Billing

Professional invoices with crypto payment options and automatic reminders.

USE CASES:

Agency work, consulting, B2B services, contract work

example.ts

const invoice = await zendfi.createInvoice({
  customer_email: 'client@company.com',
  due_date: '2025-12-31',
  items: [{ description: 'Web Design', unit_price: 5000.00 }]
});

5 of 6

Gaming & Apps

In-app purchases with instant confirmation and global reach.

USE CASES:

Game credits, premium features, virtual goods, consumables

example.ts

const payment = await zendfi.createPayment({
  amount: 4.99,
  currency: 'USD',
  token: 'USDC',
  metadata: { itemId: 'gold_pack_1000' }
});

6 of 6

Ready to build your use case?

Everything Stripe Has.Plus Features They Don't.

Stripe-level developer experience with crypto-level economics. No compromises.

2-Minute Setup

Run npx create-zendfi-app and get a production-ready payment system with checkout, webhooks, and dashboard. We timed it.

0.6% All-Inclusive

Save up to 80% vs traditional processors. Zero hidden fees. Zero chargebacks. Zero surprises.

Enterprise Features

Subscriptions, escrows, installments, invoices, split payments—features Stripe charges extra for. All built-in.

Non-Custodial Security

MPC wallets secured by Face ID/Touch ID. You own your keys, always. We never hold your funds.

Gasless Payments

Your users just want to pay. They don't care about gas fees or native tokens. Neither should you. We handle it!

Stripe-Level DX

TypeScript-first with full type safety. Webhook handlers for Next.js and Express. Test mode free forever. Built by devs, for devs.

Everything You Need to Accept Payments

Built for developers who want Stripe-level infrastructure with crypto's advantages.

Feature 1

Developer-First API

Accept crypto payments in just a few lines of code with our simple, production-ready API.

Feature 2

Hosted Checkout Pages

Simple, mobile-optimized payment pages with QR codes and wallet connection (Phantom, Solflare, Backpack).

Feature 3

Instant Settlements

Funds hit your wallet in seconds — no holds, no rolling reserves. Optional USDC→SOL conversion.

Feature 4

Advanced Payment Types

Payment links, invoices, subscriptions, split payments, escrow, and installment options all in one platform.

Feature 5

Reliable Webhooks

5 retry attempts, exponential backoff, dead-letter queue, and HMAC verification ensure every event is delivered.

Your security, our foundation

Built with advanced protection, real-time monitoring, and continuous compliance. Every transaction stays private, secure, and reliable—always.

Trusted Worldwide

Continuous Protection

Ready to Build with ZendFi?

Get started in minutes with our SDK. No credit card required.

One integration. Every crypto payment experience.

The Future ofAgent Payments

Autonomy

Security

Non-Custody

How It Works

Keypair Generation

Shard Distribution

Policy Definition

Autonomous Signing

Built for EveryUse Case

E-commerce Stores

SaaS Platforms

Marketplaces

Buy Now, Pay Later

Invoice Billing

Gaming & Apps

One integration. Every crypto payment experience.

The Future ofAgent Payments

Autonomy

Security

Non-Custody

How It Works

Keypair Generation

Shard Distribution

Policy Definition

Autonomous Signing

Integrate in Minutes

Dashboard

Built for EveryUse Case

E-commerce Stores

SaaS Platforms

Marketplaces

Buy Now, Pay Later

Invoice Billing

Gaming & Apps

Everything Stripe Has.Plus Features They Don't.

2-Minute Setup

0.6% All-Inclusive

Enterprise Features

Non-Custodial Security

Gasless Payments

Stripe-Level DX

Everything You Need to Accept Payments

Developer-First API

Hosted Checkout Pages

Instant Settlements

Advanced Payment Types

Reliable Webhooks

Your security, our foundation

Ready to Build with ZendFi?

Integrate in Minutes

Dashboard

Everything Stripe Has.Plus Features They Don't.

2-Minute Setup

0.6% All-Inclusive

Enterprise Features

Non-Custodial Security

Gasless Payments

Stripe-Level DX

Everything You Need to Accept Payments

Developer-First API

Hosted Checkout Pages

Instant Settlements

Advanced Payment Types

Reliable Webhooks

Your security, our foundation

Ready to Build with ZendFi?

One integration.
Every crypto payment experience.

The Future of
Agent Payments

One integration.
Every crypto payment experience.

The Future of
Agent Payments