Duffel
./BookFlights, stays, and ancillaries — search, book, pay, and manage orders from one travel API
OpenAPI
$ protocol support
[✗]MCP Server
[✓]OpenAPI Spec
[✗]Skill File
[✗]llms.txt
[✗]Structured Feed
$ payment protocols
none documented — this service is not reachable over an agent payment protocol
$ agent access
authAPI Key
onboardingFull — agent can self-onboard
tosExplicitly welcomes bots
webhooksYes
free tierYes
billingper-transaction
#travel#flights#booking#payments
https://duffel.com
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