# Travel API Evaluation Checklist for Enterprises | OnArrival > 20 checks for travel APIs, your suppliers, SDKs, microfrontends, MCP, activities and international payments. Free worksheet to complete, download or print. Source: https://www.onarrival.com/resources/travel-api-evaluation-checklist --- [Home](https://www.onarrival.com/) / Resources / API evaluation checklist Free enterprise buying resource # Travel API *evaluation checklist.* 20 practical checks for choosing a travel provider. They cover flights, hotels, activities, your suppliers, SDKs, microfrontends, MCP and international payments. Then you test what happens after the booking. Updated 20 September 2026 · By OnArrival · No signup required Start your evaluation ## In short ### 20 checks, 4 groups Products, booking, payments and running the service. ### Tick as you go Mark each check, choose a status and note who follows up. ### Essentials first One missing essential feature can matter more than many smaller checks passing. ### Stays with you Nothing you enter in the worksheet is submitted to OnArrival. Know what you are buying ## Ask for a working example. Give each provider the same requirements. Record what you saw, what worked and what still needs an answer. 2. Describe what you want to launch. Use the same requirements for every provider you compare. 3. Test the features you need. Record what you saw and what worked. 4. Agree who fixes any gaps. Note what still needs an answer, and who follows up. ## Record what you have actually checked. Use one worksheet per provider. Write down the products, suppliers and countries you tested. A successful test booking does not prove that every supplier supports the same features. ### Use a consistent status ### Unconfirmed You still need an answer or proof. ### Documented The provider has explained it in writing. ### Demonstrated You have seen it work in your test. ### Unsupported The provider cannot do what you need. ### Out of scope Your product does not need this. ### Decide what is essential List the features you cannot launch without, and mark them with the **Essential** button on each check. One missing essential feature can matter more than many smaller checks passing. The completion count below is not a provider rating. Use the provider’s test environment for booking, cancellation and payment tests. Agree how to check the live setup before your customers start using it. ## Your evaluation worksheet Tick each check, choose a status, add your notes and name the person who will follow up. Entries stay in this tab; download or print before leaving. Nothing you enter in the worksheet is submitted to OnArrival. Provider / productNot recordedMarkets and booking workflowNot recordedTest environment and API versionNot recordedEvidence dateNot recorded **0 of 20 checked** 0 demonstrated · 0 marked essential 0 of 20 checks marked demonstrated. Review essential features before deciding. ### Products and integration0/5 checked Mark as checked: The travel products and markets you need 01 #### The travel products and markets you need [ ] Not checked yet Can you book the flights, hotels and other products your customers need? What to ask for A dated supplier list, launch countries, routes or properties, booking types and access requirements. What to test Search and book a sample using your real launch requirements. Record unavailable products and suppliers, not just the total size of the catalogue. Status: The travel products and markets you needUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Bring your own suppliers 02 #### Bring your own suppliers [ ] Not checked yet Can you keep your airline agreements, GDS access and direct hotel rates? What to ask for A list of your supplier contracts, supported connections, setup costs, access permissions, rate ownership and support responsibilities. What to test Connect one of your suppliers in an agreed test setup. Check your negotiated price, supplier reference, payment destination and support path. Status: Bring your own suppliersUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: SDKs for your website and apps 03 #### SDKs for your website and apps [ ] Not checked yet What ready-made code or booking components can your team use? What to ask for The actual packages and supported versions for your web, iOS, Android, Flutter or React Native app; included screens and update policy. What to test Install the right package in your app. Test login, branding, loading time, accessibility, payment handoffs and returning to a booking after closing the app. Status: SDKs for your website and appsUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Microfrontends and embedded screens 04 #### Microfrontends and embedded screens [ ] Not checked yet Can you add a complete travel section inside your existing product? What to ask for A list of included screens, styling options, login integration, navigation rules, languages, hosting and release responsibilities. What to test Use the full flow inside your app: search, checkout, confirmation and booking management. Test back buttons, expired sessions, deep links and an update to the embedded section. Status: Microfrontends and embedded screensUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Activities, transfers and buses 05 #### Activities, transfers and buses [ ] Not checked yet Does each extra travel product work beyond the search result? What to ask for Dates and time slots, guest age rules, pickup details, ticket or voucher format, confirmation timing and cancellation policy. What to test Book an activity and a ground journey you plan to sell. Check the voucher, meeting point, passenger details and what happens if the operator cancels. Status: Activities, transfers and busesUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded ### Booking and after-sales0/6 checked Mark as checked: A trip with several products 06 #### A trip with several products [ ] Not checked yet What happens when a flight, hotel and activity are bought together? What to ask for The trip record, each supplier confirmation, price breakdown, payment steps and rules for partial booking failure. What to test Make one part fail in a test trip. Check what remains booked, what was charged, what the customer sees and how the missing part is fixed. Status: A trip with several productsUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Price changes before purchase 07 #### Price changes before purchase [ ] Not checked yet What happens when the price or booking conditions change? What to ask for Price expiry, the final price check, currency, taxes, fees, bags or meal plan, and cancellation terms. What to test Let a price expire or change. Check that the customer approves the new price or terms before payment and booking. Status: Price changes before purchaseUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Booking confirmation and status 08 #### Booking confirmation and status [ ] Not checked yet Can your app tell whether a booking succeeded, failed or is still waiting? What to ask for Your request reference, provider booking ID, supplier confirmation, status lookup and status-change notifications. What to test Retrieve a successful, failed and pending booking. Show what the customer and support team see when the result is unclear. Status: Booking confirmation and statusUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: No duplicate bookings or charges 09 #### No duplicate bookings or charges [ ] Not checked yet What happens if the customer retries after a timeout? What to ask for Written rules for repeat requests, the reference that links attempts, how long it is kept and the booking lookup process. What to test Repeat a test request and simulate a lost response. Verify one intended booking and payment, or a safe status check before another attempt. Status: No duplicate bookings or chargesUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Hotel and room matching 10 #### Hotel and room matching [ ] Not checked yet Are duplicate hotels matched without hiding different room or rate conditions? What to ask for Your own sample of duplicate listings and unclear room names, with bed type, guests, meals, taxes and cancellation rules. What to test Compare the sample. Keep refundable and non-refundable rates, different meal plans and different guest limits distinct. Mark this out of scope if you only sell flights. Status: Hotel and room matchingUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Changes, cancellations and support 11 #### Changes, cancellations and support [ ] Not checked yet Which changes can you make, and who handles the rest? What to ask for Supported actions for each supplier, booking restrictions, fees, cancellation deadlines and the support escalation process. What to test Change or cancel one eligible booking. Also test a case that needs manual supplier help, and identify who owns it and how the customer is updated. Status: Changes, cancellations and supportUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded ### Payments and finance0/3 checked Mark as checked: International payments and currencies 12 #### International payments and currencies [ ] Not checked yet Can the customer pay and the supplier receive money in the required countries and currencies? What to ask for Supported merchant and customer countries, currencies, payment methods, exchange-rate rules, fees and payout schedules. What to test Use your intended customer country, charge currency and supplier currency together. Check currency conversion, authentication, declined payments and a cross-currency refund. Status: International payments and currenciesUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Your existing payment provider 13 #### Your existing payment provider [ ] Not checked yet Can you keep your payment account, and who is responsible for the sale? What to ask for Supported payment providers and account types; who collects the money, handles disputes, pays taxes and issues refunds in each market. What to test Run checkout with your chosen provider. Test an interrupted payment, a duplicate callback and a refund. Confirm the agreed responsibilities in the contract. Status: Your existing payment providerUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Supplier payments, refunds and reports 14 #### Supplier payments, refunds and reports [ ] Not checked yet Can finance match every charge, supplier payment, fee and refund to a booking? What to ask for Payment and booking references, currencies, virtual-card or bank-payment options, fees, payout times and exportable reports. What to test Follow one booking from customer charge to supplier payment and refund. Check when money actually moves, not just when the refund is approved. Status: Supplier payments, refunds and reportsUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded ### Controls and running the service0/6 checked Mark as checked: MCP and AI booking approvals 15 #### MCP and AI booking approvals [ ] Not checked yet Can an AI agent complete a booking only within the customer’s approval? What to ask for Available MCP tools, user identity, allowed actions, price limits, approval steps and a record of each action. What to test Complete an approved test booking through the agent. Try an unapproved purchase, an over-budget price, changed terms and a repeated call. Check the system blocks unsafe purchases. Status: MCP and AI booking approvalsUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Loyalty points and company travel rules 16 #### Loyalty points and company travel rules [ ] Not checked yet Can you apply your own points, budgets and approval rules? What to ask for Points-to-money rates, points plus cash, earning or redemption rules, company policies and cancellation treatment. What to test Book with points and cash, cancel part of the trip and check both balances. For business travel, test a booking outside policy and the approval path. Status: Loyalty points and company travel rulesUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Booking events and useful reporting 17 #### Booking events and useful reporting [ ] Not checked yet Can product, support and finance see what happened? What to ask for Search, checkout, booking and cancellation events; reports and exports; rules for repeat or delayed notifications. What to test Trace a test booking from your app to the supplier and payment reports. Count one successful booking once and keep failed requests out of conversion totals. Status: Booking events and useful reportingUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Access, customer data and security 18 #### Access, customer data and security [ ] Not checked yet Who can see customer data, change a booking or issue a refund? What to ask for Access roles, company login options, action logs, data locations, retention rules, contract terms and current security evidence. What to test Check that a restricted user cannot change a booking or refund it. Review how customer data is exported, deleted and protected across the app, provider and suppliers. Status: Access, customer data and securityUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Support when something goes wrong 19 #### Support when something goes wrong [ ] Not checked yet Who owns a failed booking, overnight disruption or stuck refund? What to ask for Support hours, named escalation routes, response commitments, incident updates and the split between your team and the provider. What to test Walk through an out-of-hours disruption with product, support and finance. Agree the owner of each step and how you will keep the traveller informed. Status: Support when something goes wrongUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Mark as checked: Full cost and switching providers 20 #### Full cost and switching providers [ ] Not checked yet Does the contract cover the product you tested and the cost of running it? What to ask for A quote for your traffic, bookings, suppliers, SDKs, embedded screens, payments and support, plus minimums, export rights and exit terms. What to test Price a normal month and one with many changes and refunds. Agree how existing bookings will still be supported if you move to another provider. Status: Full cost and switching providersUnconfirmedDocumentedDemonstratedUnsupportedOut of scopeStatus: UnconfirmedEvidence / gaps / owner: Not recorded Before you sign ## Close every gap in writing. 1. Keep your test results with the written quote. 2. Agree who will fix each essential gap and by when. 3. If you switch providers, confirm who will handle old bookings, supplier payments and refunds. For enterprise teams ## Show us what you want to build. Bring your travel products, target countries, app platform and supplier contracts. We can walk through the booking experience, payment setup and support your business needs. 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