Flight API rate limits, caching and IP whitelisting: a guide for developers
Why flight APIs limit traffic, how to handle HTTP 429, what is safe to cache and how to whitelist server IPs without breaking a serverless deployment.
Read the articleThe IATA.co blog
Practical guides to selling flights and building with flight APIs: how flight search and booking APIs work, the routes to selling without your own accreditation, GDS, NDC and aggregators compared, and the engineering behind rate limits, caching and whitelisting. No invented numbers.
Why flight APIs limit traffic, how to handle HTTP 429, what is safe to cache and how to whitelist server IPs without breaking a serverless deployment.
Read the articleA practical build order for flight search on your own site: server-side architecture, validation, results, caching, price re-checks and safe booking retries.
Read the articleA plain comparison of GDS, NDC and aggregator APIs: what each one is, what it demands from you, and which fits a small travel agency.
Read the articleA plain guide to the legitimate ways a new agency can sell airline tickets without its own accreditation, and what stays your job.
Read the articleA plain-English guide to what a flight API is, where its fares come from, and what happens between a search request and an issued ticket.
Read the articleNew guides are added as the platform grows. Sources are linked in every article.




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