Amadeus GDS (Global Distribution System) provides comprehensive travel APIs that allow businesses to access real time flight availability, hotel bookings, car rentals and more. If you want to integrate Amadeus Enterprise APIs into your travel platform follow these detailed steps.

Before applying for the Amadeus API, define your business requirements clearly:

1. Business Model :  Are you a travel agency, OTA (Online Travel Agency) or a B2B travel solution provider?. You need to keep ready with your business model.
2. Services Required : Do you need flight bookings, hotels, car rentals or a full fledged travel management system? Based on your business needs you need to prepare from the provided option.
3. Target Audience : Are you catering to B2C customers, corporate travelers or agents?
4. Integration Type : Will you integrate APIs into a web portal, mobile app or both?

API type suggestion Based on the industry size

• Startups & Small Agencies: Begin with Self Service APIs (limited features but easier approval).
• Mid to Large Agencies: Apply for Enterprise APIs with full GDS capabilities.
• B2B Travel Platforms : Go for full scale GDS integration to handle agency to agency bookings.

1. Self Service APIs
   
   
2. • Available at Amadeus for Developers.
   • Suitable for startups and small projects.
   • Free to test but has limitations on functionality.
   • It charges as you go. You can see full pricing here 

2. Enterprise APIs (Full GDS Access)
   
   
3. • Requires a commercial agreement.
   • Full scale booking capabilities with live pricing, seat selection, NDC Content, Ancillaries services and PNR management.
   • Best for large travel agencies, OTAs and B2B travel platforms.

1. Go to Amadeus Developers.
2. Click "Sign Up" and create an account.
3. Verify your email address.
4. Log in and complete your developer profile (company details, contact information).tc

To access Amadeus Enterprise APIs, you must apply and get approval.

How to Apply?

1. Contact Amadeus Sales Team
   
   
2. • Visit the Amadeus Enterprise API page.
   • Click “Contact Us” or reach out to your local Amadeus representative.
   • Fill out the inquiry form with:
   • • Company name & website
     • Legal business structure (LLP, Pvt. Ltd., etc.)
     • IATA accreditation (if applicable)
     • Business model (B2B, OTA, corporate travel etc.)
     • Expected monthly booking volume

2. Provide Additional Business Documents
   
   
3. • Proof of business registration.
   • IATA certification (if applicable).
   • Technical details of your platform.

3. Discussion with Amadeus Representative
   
   
4. • Amadeus will review your application.
   • A sales representative may schedule a call to discuss your business and technical requirements.

If your application is approved, Amadeus will send you a commercial contract that includes:

• API pricing model (transaction based or volume based pricing).
• Revenue sharing agreement (if applicable).
• Data usage policies and compliance guidelines.
• Technical & security requirements for integration.

Once you sign the contract, you will receive Enterprise API credentials.

1. Amadeus will provide API keys (Client ID & Secret) for authentication.
2. You will get access to the test/sandbox environment to start integration.

Now, you need to integrate Amadeus APIs into your travel portal 

Development Stack:
    1. Since you're using the MERN stack, follow these integration steps:

• Use Node.js (NEST.js) as the backend to handle API calls.
• Store booking data in NoSQL or RDBMS Database
• Display search results and booking options using React.js (NEXT.JS).
• Use Axios or Fetch API to call Amadeus endpoints.

2. Testing with REST Assured (for API Validation)
   
   
3. • Use REST Assured for API testing to ensure that your application correctly retrieves flight availability, fares and bookings.

3. Amadeus API Features to Test
   
   
4. • Flight Offers Search : Get real time flight prices.
   • Flight Create Orders : Make a booking.
   • PNR Management : Retrieve and modify bookings.
   • Payment Integration : Connect to a payment gateway (Razorpay, PayU or Stripe).

Once integration and testing are complete:

1. Submit your final implementation to Amadeus for certification. It may take 
2. Amadeus team will review the API integration and give the feedback accordingly
3. If anything is wrong in the integration then their team will give the feedback and we need to resolve it immediately.
4. If all API integrated properly then they will grant access to the production environment.
5. Start making real time transactions and serve your customers.

Recommendations for the certification

• Preparation: Review Amadeus's certification procedures and checklists thoroughly to expedite the process.​
  
  

Assistance: Consider collaborating with certified Amadeus developers or consultants to navigate the certification efficiently.

• Monitor API performance (Amadeus provides analytics dashboards).
• Optimize API calls to minimize transaction costs.
• Ensure security compliance (GDPR, PCIDSS if handling payments).
• Regularly update API versions to maintain compatibility.

Additional Tips for Success and Faster Approval

✔Ensure your company is legally registered and has a valid Tax ID, Business License

✔If you are an IATA accredited travel agency, you have a higher chance of approval.

✔ If you are not an IATA certified agency, partner with an IATA agent for ticketing.
✔ Use Amadeus’s B2B Wallet for secure payments.
✔ Consider integrating other travel APIs (e.g., hotel, car rental, ancillary services).

✔ Strengthen Your Application with a Clear Business Plan

• Your business model (B2B, OTA, corporate travel etc.)
• Target market (domestic, international, niche segments)
• Expected monthly booking volume (number of transactions).
• Technology & development team capabilities (to prove you can handle API integration).
• How you will use the API

Additional Integration Tips

✔ Use caching (Redis or MongoDB) to store search results for a short period.

✔ Batch API requests when possible to reduce latency.

✔ Set rate limits to avoid exceeding Amadeus API quota.

✔ OAuth2 Authentication :  Use secure access tokens.

✔ IP Whitelisting : Restrict API access to trusted sources.

✔ Data Encryption : Encrypt PNR details and payment transactions.

✔ Instead of polling Amadeus API frequently, set up webhooks to get instant updates on:

• Flight status changes
• PNR modifications
• Payment success/failure

✔Plan your API integration in phases to avoid delays

✔ Ensure your technical team understands API error codes (400, 401, 500).

✔ Provide customer support staff with PNR retrieval & modification training.

✔ Get Dedicated Support from Amadeus

• A dedicated Amadeus account manager for priority support.

• Access to API documentation & sandbox for smooth integration.

• Training sessions for your team on API best practices.

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