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In an increasingly connected world, manually managing spreadsheets and uploading CSV files to banking portals will only take you so far.
Payment APIs enable developers to build scalable global payment infrastructure, streamlining operations and accelerating growth.
In this guide, you’ll discover the best payment APIs for developers, key features to look for, and how to choose the right solution for your needs.
Key Takeaways
- A payments API for developers enables finance teams to shift from manual uploads to fully automated financial workflows that scale seamlessly with business growth.
- The best payment APIs support developers with REST API architecture, strong documentation, and a dedicated sandbox environment for customizing payouts.
- Businesses should prioritize solutions that combine a frictionless development experience with features to accelerate payouts, strengthen compliance, and prevent fraud.
- Tipalti’s payment API for developers offers global payment automation, full compliance control, and a user-friendly Developer Hub to accelerate integration and growth.
Why Do Businesses Need API-first Payment Infrastructure?
A payment API (application programming interface) gives developers the building blocks to implement a secure, automated payment system for fast, accurate processing.
Rather than having your finance team run payment cycles manually, developers use APIs to connect your website or app directly to payment providers, automatically sending and tracking payments.
It replaces slow, error-prone, human-driven processes with a system that can pay thousands of partners, gig workers, and creators simultaneously.
For businesses with growing payment demands, switching from manual processing to API-powered automation increases effectiveness and enhances the customer experience.
With the right payment API for developers, your business can benefit from:
- Real-time payment processing. Disburse funds instantly to recipients worldwide, eliminating batch delays and improving payee satisfaction.
- Built-in scalability. Handle growing payment volumes across new territories and payment methods, without rebuilding infrastructure from the ground up.
- Greater efficiency and productivity. Automate approval workflows, payment scheduling, and reporting to free finance teams from repetitive work.
- Enhanced security and compliance. Automate tax form collection and enforce payment controls to meet regulatory requirements and protect against fraud.
- Centralized financial data. Connect your ERP, accounting software, and HR tools via API to eliminate data silos and ensure transparency for confident decision-making.
Research by J.P. Morgan shows that 87% of businesses report some level of finance automation. However, fewer than half have fully or mostly automated their payment process.
Empowering your development team with a robust API can give you a competitive advantage.
It allows you to better manage cash flow and optimize global payments to increase liquidity, while others rely on legacy systems and flat-file integrations.
Key Features of a Payment API for Developer Teams
Depending on the platform, a payments API for developers will offer one (or both) of the following functions:
- Payment gateway APIs handle incoming customer payments (e.g., e-commerce checkout purchases).
- Payout APIs handle outgoing payments to suppliers, contractors and other payee types—ensuring reliable cross-border payments at scale.
In either case, the best solutions should offer comprehensive payment API support for developers to customize financial workflows.
Key payment features include:
| Key Features of a Payment API for Developers | Why It Matters |
|---|---|
| OPEN API documentation | Robust guidance and tutorials reduce payment integration time, so developers can build confidently without relying on vendor support. |
| RESTful standardization | REST-based APIs use familiar conventions, making them easier to integrate with existing tools while reducing the learning curve. |
| Sandbox availability | A dedicated testing environment lets developers simulate transactions and edge cases before going live, reducing the risk of costly errors later. |
| Webhook support | Real-time event notifications allow your systems to react instantly to payment status changes without the need for constant polling. |
| Tokenization and portability | Storing sensitive payment data as tokens reduces PCI scope and improves security. It also makes it easier to switch providers or expand payment methods. |
| Payment rails | Support for multiple rails (e.g., ACH, SWIFT, local bank transfers, card networks) increases payment flexibility and supports global expansion. |
| Payout speed | Processing same-day or real-time payouts is increasingly a baseline expectation for recipients, particularly gig economy platforms and marketplaces. |
| Compliance automation | Built-in tax form collection, sanctions screening, and regulatory reporting reduce manual compliance and fraud risk. |
| ERP integration | Native or pre-built connectors to ERP or accounting platforms ensure payment data flows cleanly into your financial systems without the need for custom development. |
The payment solutions in this guide support most, if not all, of these features, giving developer teams the infrastructure to build global payout workflows.
Power global payout automation with one developer payment API
Access a robust REST API, with developer tools that allow you to effortlessly scale payouts and compliance as your business grows.
Quick Comparison: Best Payment API Platforms at a Glance
Payment APIs for developers increase efficiency, improve payee experience, and protect your business against payment-related threats.
The category ranges from single-entity payment APIs to payout lifecycle automation platforms with onboarding and tax compliance features.
Here’s a quick overview of the solutions covered in this article:
| Payment API for Developers | Payment API Overview | Payment API Pricing |
|---|---|---|
| 1) Tipalti | • Global mass payment API • Diverse deployment paths • User-friendly RESTful API with Developer Hub and sandbox • Best for automating international payments and compliance | From $249 per month |
| 2) Stripe Connect | • Marketplace payout and payment gateway API • Sandbox environment, SDKs, and documentation • Payments and reporting endpoints • Best for complex payment development | Fee-based by transaction and platform use |
| 3) Hyperwallet | • PayPal-focused global payout API • REST API with webhook notifications and status updates • Built-in tax reporting • Best for PayPal-reliant gig economy payments | Custom pricing |
| 4) Adyen | • Unified payment gateway API • REST API with sandbox and SDK tooling • Payment routing and fraud management • Best for multichannel payments | Per transaction plus payment method fees |
| 5) Dwolla | • U.S.-focused ACH payment API • White-label A2A infrastructure • Dedicated sandbox with SDKs • Best for API-first domestic transfers | Custom, volume-based |
| 6) Payoneer | • Cross-border payment API • REST API architecture • Payment collection and processing support • Best for single-entity global payments. | Free account with fees per transaction |
| 7) Airwallex | • Global financial API • REST API platform • Collection, holding and disbursement workflows • Best for SaaS payment automation | Free basic account. Paid accounts from $12 per user per month, plus platform fee. |
| 8) Trolley | • Global payout automation API • API-first infrastructure • Tax compliance support • Best for global contractor payouts | From $2,399 per year for pay functionality. Additional fees for compliance and validation add-ons. |
| 9) Paddle | • Merchant of Record API • REST API with SDK and OpenAPI support • Checkout and billing integration • Best for SaaS and software companies | Custom, usage-based |
Use this comparison to shortlist APIs that match your needs before researching capabilities.
The next section explores each platform’s key features and ideal fit.
9 Best Payment APIs for Developers
1) Tipalti: Best API for Global Mass Payment and Compliance Automation
Tipalti’s payment API for developers allows engineers to automate payments and API compliance, sending money globally without complex setup.
Its full-scale payment infrastructure offers 3 deployment paths, based on dev capacity and how much control you need:
1) Branded Portal (zero code). Turnkey vendor onboarding and payment management. Your vendors log in, set preferences, and get paid. You upload payment files via a dashboard or API.
2) Embeddable iFrame (one line of code). An AI-based brand generator matches your look and feel. It drops seamlessly into your payee registration flow, allowing payees to enter currency and payment method preferences without friction.
3) Full API integration(maximum control). Developers can use RESTful APIs with SDKs, documentation, sample code, and a sandbox environment to test and embed custom mass payment functionality into their existing workflows.
All 3 options allow finance teams to scale payouts across 200+ and territories, in 120, and via multiple payment methods.
Key Tipalti API features:
- Mass global payoutAPI. Trigger batch disbursements, onboard payees, and generate invoices programmatically without payment amount limits. Access JSON-encoded requests, standardized HTTP status codes, webhooks, and enhanced filtering capabilities for greater control over payment execution.
- Built-in compliance automation. A KPMG-approved tax engine handles KYC, W-8/W-9 collection, 1099 and 1042-S filing. Real-time OFAC screening and VAT validation during onboarding reduces compliance burden on finance teams.
- Secure access. Protect your business and customers with SSO, MFA, IP restriction controls, payee data encryption, and role-based permissions.
- ERP and accounting integrations. Pre-built connectors for Acumatica, NetSuite, SAP B1, Microsoft Business Central, Xero, Sage, QuickBooks, and other ERPs ensure payment data syncs automatically without custom development.
Tipalti’s payout API also features pre-built connections to extend automated workflows across your performance marketing platforms, HR tools, SSO, Slack, and credit cards.
Centralizing your tech stack reduces bottlenecks and gives finance leaders access to real-time data for more confident forecasting.
Bottom line: Tipalti is best for growing companies in any industry that want to combine flexible API-first infrastructure with enterprise-grade security to automate workflows, compliance, and fraud prevention as cross-border payouts scale.
Tipalti in action: Online education company Art of Problem Solving implemented Tipalti Mass Payments to automate contractor payments and streamline finance operations. The company eliminated 5 days of manual payment processing and reduced monthly close time by 20 days.
With Tipalti, we give our contractors until day five to submit their time, and then we pay everybody on the sixth, which takes a few minutes. It has been fantastic.
Jessica Hardy, VP of Finance, Art of Problem Solving
2) Stripe: Best API for Marketplace Teams
Stripe’s payment API allows developer teams at digital platforms or marketplaces to embed payment infrastructure into their products.
Its customizable APIs support payment gateway and payout functionality, so businesses can accept payments and disburse funds in one place.
Key Stripe Connect features:
- Connected account management. Programmatically onboard sellers, manage KYC verification, and configure routing rules across multiple connected accounts.
- Flexible fund routing. Split payments between parties and set custom fees per transaction (e.g., variable percentages or fixed fees) without writing extra code.
- Webhooks and event-driven architecture. Real-time event notifications across the payment lifecycle help devs react to status changes without polling.
- Claimable sandboxes. Create temporary environments to test payment flows and integrations safely, then claim them into a permanent account later.
Stripe’s flexibility makes it a popular choice for developer teams that require custom gateway and payout workflows.
However, the breadth of features can add complexity that may require additional engineering expertise, as a Tipalti vs. Stripe comparison shows.
Bottom line: Stripe Connect is beneficial for developer-led platforms that want fully customizable payment workflows and flexible routing in a single API integration.
3) Hyperwallet: Best for Gig Economy Disbursements
Hyperwallet is PayPal’s advanced REST API for automating large-scale global payouts to employees, sellers, and gig workers.
The platform uses PayPal’s global banking network to help developers automate payments to over 200+ countries.
Key Hyperwallet features:
- Automated payee onboarding. Create and manage user accounts, with endpoints for mandatory regulatory authentication and tax form collection.
- Flexible UI integration. Embed secure payment drop-in components or mobile SDKs directly into platforms without building a custom user interface.
- Real-time webhooks. Receive instant automated notifications regarding payment status, balance updates, and account changes to reduce delays and optimize API performance.
- Global online payment options. Pay suppliers via PayPal, Venmo (U.S. only), bank transfer, prepaid card, or digital wallets, backed by PayPal’s trusted infrastructure.
Hyperwallet’s API offers rapid deployment and efficiency for PayPal users. However, its lack of ERP integration means businesses will require a third-party tool to sync payment data—something to keep in mind when weighing up alternatives.
Bottom line: Hyperwallet is a good choice for organizations whose payees are already comfortable with PayPal. If you require broader payment flexibility or a custom onboarding experience, other solutions may prove a better fit.
4) Adyen: Best API for Unifying Multichannel Payments
Adyen’s payment API consolidates payment gateway, processor, and acquiring into a single system.
The platform provides organizations with a unified view of transactions across multiple channels, while supporting global payment automation across various rails and currencies.
Key Adyen features:
- Unified commerce API. Track and manage website, mobile, and in-person transactions through a single integration to create a consistent user experience.
- Intelligent payment routing. Built-in optimization logic automatically routes transactions to improve authorization rates and reduce failures.
- Comprehensive sandbox and SDKs. Extensive developer tools and an API Explorer support extensive testing and fast integration.
- Risk and fraud management. Built-in risk engine applies real-time transaction scoring and configurable rules to reduce fraud exposure, without requiring a third-party solution.
Adyen’s features and high-volume focus can make implementation more technically demanding than other platforms in this list, so extensive engineering resources are essential.
Bottom line: Adyen is best suited to large teams that need a single, scalable platform to manage complex payment operations. Businesses can pair Adyen with a payment API like Tipalti to efficiently manage both sides of the payment flow.
5) Dwolla: Best for API-first Domestic Bank Transfers
Dwolla is an open banking platform that enables developers to run ACH and real-time payments at scale via a single API.
The platform’s white-label infrastructure embeds into websites or mobile apps, allowing businesses to collect, disburse, and facilitate transactions.
Key Dwolla features:
- Unified payment rails API. A single integration covers standard and same-day ACH, real-time payments (RTP), and FedNow. It allows developers to expand payments without rebuilding integrations.
- SDKs and libraries. Simplify integration with modern programming languages such as Node, Ruby, and Python. Developers can also test integrations with simulated data.
- Tokenization and security. Bank account data is stored as tokens rather than raw credentials, protecting sensitive payment data throughout the payment lifecycle.
- Open banking verification. Automated identity verification (KYC/KYB) and balance checks reduce the risk of failed transfers and fraudulent account details.
While Dwolla connects seamlessly with banking systems, businesses require custom development or middleware for ERP and finance stack integrations.
Bottom line: Dwolla is best for U.S.-based platforms and software developers who want to embed white-labeled account-to-account (A2A) into digital products. While a partnership with CurrencyCloud enables international payments, global businesses may prefer a dedicated cross-border payment API.
6) Payoneer: Best for Single-Entity B2B Payouts
Payoneer’s payment API for platforms and marketplaces leverages the provider’s global finance infrastructure to automate cross-border payments.
The platform’s REST architecture uses standard HTTP requests and webhooks to support payment processing, user onboarding, and currency conversion.
Key Payoneer features:
- Mass payoutAPI. Automatically disburse funds to suppliers or partners in over 190 countries and more than 70 currencies. Businesses can hold and manage local bank details, paying payees as local entities.
- Payment collection and processing. Use the API to accept and process cross-border payments directly from buyers and customers.
- Real-timereporting. Access detailed reports on transaction history, payment status, fees, and balance updates to support accurate cash flow forecasting.
- Enterprise-grade security. Employ OAuth 2.0 authorization, TLS 1.2 protocols, and SSL for safe, role-based access.
Payoneer’s API is user-friendly but less developer-centric than other tools on this list. Teams that want to customize the payment experience may gravitate toward Payoneer alternatives like Tipalti or Stripe.
Bottom line: Payoneer is best for automating single-entity global payments. Its established API benefits businesses that need a simple way to pay international contractors or B2B partners at scale.
7) Airwallex: Best for Multi-Currency Payouts
Airwallex is a global financial platform that automates payment collection, holding, and disbursement across multiple countries.
Its API keys give developers access to a central RESTful platform for simulating and implementing financial flows across the payment lifecycle.
Key Airwallex features:
- Global payment acceptance and payouts. Process payments and send international transfers in multiple local payment methods.
- Programmatic account creation. Handle connected accounts, onboarding, and compliance via API, streamlining workflows for large volume finance teams.
- Webhook support and SDKs. Real-time notifications and pre-built elements enable multiple fast deployments via hosted components or fully custom API workflows.
- Authorization optimization. Machine learning features such as 3D Secure routing and adjustable risk thresholds boost acceptance and improve payment experience.
Developers can integrate Airwallex with popular accounting, e-commerce, and CRM software to extend functionality and reduce manual data uploads.
Bottom line: Airwallex is best for SaaS or e-commerce companies that want to automate cross-border payments, while keeping FX costs low. It’s less suitable for developer teams implementing complex AP automation and multi-entity payment workflows.
8) Trolley: Best for Contractor Payouts
Trolley is a payout platform designed for businesses managing high-volume payments to contractors and freelancers.
Like Tipalti, Trolley’s API-first infrastructure supports developers to automate the payout lifecycle. Engineers can use the REST API and webhook notifications to trigger global batch payments and streamline financial workflows.
Key Trolley features:
- Open-source SDKs. Access SDKs in JavaScript, Ruby, PHP, Python, Java, and C# to accelerate integration.
- Global payment support. Automatically initiate payments to bank accounts, digital wallets, and debit cards worldwide.
- Built-in tax compliance. Automate W-8/W-9 tax form collection and end-of-year financial reports to reduce manual regulatory admin.
- Enterprise-grade security. Protect supplier data with SOC 2 Type II-compliant privacy controls, including request signing and data encryption.
While Trolley’s API integrates with a wide range of business apps, it lacks diverse ERP integration options. Finance teams need to manually reconcile payments or have developers build a custom solution.
If your goal is to automate the entire payment lifecycle, consider Trolley alternatives.
Bottom line: Trolley’s payment API for developers is best for platforms and marketplaces that want to automate cross-border contractor payments and IRS compliance. However, businesses should be aware that tax compliance and integration features require paid add-ons.
9) Paddle: Best for Merchant of Record API
Paddle is a unified commerce platform and Merchant of Record (MoR) for SaaS companies and digital product providers.
Acting as an MoR means Paddle can assume legal liability for software sales, handling compliance, payouts, and billing support—allowing businesses to offload administrative and regulatory burden.
Paddle’s REST API handles the entire customer lifecycle, giving developers the tools to create workflows and test integrations in live and sandbox environments.
Key Paddle features:
- Subscription and billing API. Manage one-time or recurring payments. Developers can add card, wallet, and local payment options to cater to new markets as a business grows.
- Global tax compliance. Automatically calculate, collect, and remit sales and VAT to keep accounts accurate and avoid potential regulatory fines.
- Checkout integration. Embed secure, customizable checkouts into a website or app, with SDK and OpenAPI support for fast deployment.
- Webhooks and events. Subscribe to multiple lifecycle events (e.g., payment failures, refunds, or renewals) to automatically sync data with a CRM, improving reporting and reducing manual work.
Developers can use Paddle’s payment API to integrate with ERP and reporting systems, creating a single source of truth for decision-makers.
Bottom line: Paddle is a reliable choice for SaaS and software companies that want to sell globally without building tax compliance infrastructure. Service-based businesses or manufacturers will be better served by an industry-specific solution.
How to Choose a Payment API for Developers
The best payment API for developers depends on your needs, as well as the scale and complexity of your financial workflows.
Follow these steps to research and choose a developer-friendly API that makes your business more efficient and successful.
Define Your API Requirements
Before researching product capabilities, list your non-negotiables. Payment complexities scale fast, so you need to be clear on exactly what your API needs to support. Consider:
- Which payment rails, currencies, and countries you require. Do you need specific payment methods for target markets (e.g., Pix in Brazil or iDEAL in the Netherlands)?
- Your current and expected transaction volume, factoring in growth projections.
- Compliance or regulatory requirements specific to your industry or region (e.g., AML obligations or GDPR).
Get Stakeholder Buy-in Early
Developers value qualities like clean code and uptime. Business stakeholders, however, prioritize margins, compliance, and growth. The right platform should bridge the gap. To get buy-in:
- Clarify how much control developers need over the user interface and how customizable they want the API/component library to be.
- Address legal and security requirements early to avoid late push-back. Ensure shortlisted platforms meet strict security standards to take the burden off finance teams.
- Create a summary of shortlisted APIs covering key features, fee structures, and your recommendation.
Evaluate the Developer Experience (DX)
A seamless DX minimizes friction, so developers can quickly and reliably integrate payment flows. For each tool on your shortlist, look for:
- Clear docs with easy-to-understand API references, copy-and-paste code, and a comprehensive error-code glossary.
- Well-maintained SDKs and language support to reduce reliance on writing raw HTTP requests.
- A robust sandbox environment with mock data, such as test card numbers and network timeouts, to safely test edge cases.
Read Customer Reviews
Product landing pages tell you what a product can do, but reading reviews helps you understand how it performs for users in your industry. Research:
- Real-world customer stories featuring similar businesses.
- Software review platforms, such as G2 and Capterra. Filter reviews by business size and use case to find relevant comparisons.
- Developer communities like Hacker News, Reddit (e.g., r/webdev or r/saas), and Stack Overflow.
Pay attention to reviews that mention onboarding experience, webhook latency, API deprecation timelines, and quality of technical support. Praise in these areas points to a reliable, developer-friendly solution.
Question Vendors to Understand API Benefits
The best way to understand how a payment API can benefit your business is to experience it first-hand. Take advantage of free personalized demos to evaluate your top contenders.
Here are some questions to help you stress-test products:
- What does your onboarding process look like—does it include implementation support?
- How long does it take for a webhook to fire after a successful payment?
- What happens if the API goes down—does it support automatic retries or offline queuing?
- How easy is it to import and export customer data?
- How do you handle compliance in the markets we operate in?
- What are your SLA commitments—is support available during our business hours?
- Are there any setup costs, monthly minimums, or FX margins alongside transaction rates?
Choose a Payment API that Meets Developers Where They Are
A payment API for developers should be quick and easy to implement using existing features. That way, your team can benefit from scalable global payments in a few sprints.
The right provider depends on your needs and scope. If you lack the developer resources to spend months building payment rails or ERP integrations, prioritize flexibility.
A developer-friendly API like Tipalti lets you build a full-scale payment infrastructure based on capacity. Its zero-code, embeddable iFrame, and REST API options let you deploy quickly and maintain control as your business grows.
See how Tipalti’s payment API for developers helps teams of any size customize and automate payments without hassle.
Payment API for Developers FAQs
How does a payment API work?
A payment API acts as a bridge between your website or app and banking networks. It securely transmits payment data to a payment processor (e.g., amount, currency, and payee details), verifies funds, and returns a status signal so that you pay (or receive) funds without manual effort.
What are the types of payments?
The 3 main types of payments are:
• Card payments. Credit and debit card transactions processed through networks such as Visa and Mastercard.
• Bank transfers. Funds moved between accounts via payment rails such as ACH or SWIFT.
• Digital wallets. Transactions authorized using stored payment details via platforms such as PayPal, Apple Pay or Google Pay.
A payment API like Tipalti can automate transactions for all 3 payment types.
How can I ensure PCI compliance when integrating payment APIs?
Use a payment API that tokenizes card data at the point of entry, keeping sensitive information off your servers and reducing your PCI scope. Choose a service provider that’s PCI DSS Level 1 certified and enforces HTTPS across all API communications. Ensure compliance by regularly auditing your API integrations.
How do I integrate a payment API into my app or website?
Obtain your API keys from your chosen payment API. Use the sandbox environment to build and test your integration before going live. Most payment APIs provide SDKs and pre-built plugins to speed up development. Once live, implement webhooks to handle payment events and monitor transactions.
