# Booking.com Demand API vs Expedia Group Rapid API > Expedia Group Rapid API has a score of 42.8 (E) against Booking.com Demand API's 38.1 (E). Both do travel stays. The largest gap is schema & documentation, 21 points. Category scores, facts, verdicts and agent notes side by side. - Canonical: https://www.anchorterminal.com/compare/booking-demand-api-vs-expedia-rapid - Markdown: https://www.anchorterminal.com/compare/booking-demand-api-vs-expedia-rapid.md (~1,450 tokens) - Slim: https://www.anchorterminal.com/compare/booking-demand-api-vs-expedia-rapid.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/compare/booking-demand-api-vs-expedia-rapid.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - Updated: 2026-10-05 Expedia Group Rapid API has a score of 42.8 (E) against Booking.com Demand API's 38.1 (E). Both do travel stays. The largest gap is schema & documentation, 21 points. - Booking.com Demand API: grade E, 38.1/100, rank #431 of 452. Markdown https://www.anchorterminal.com/tools/booking-demand-api.md · JSON https://www.anchorterminal.com/api/v1/tools/booking-demand-api.json - Expedia Group Rapid API: grade E, 42.8/100, rank #411 of 452. Markdown https://www.anchorterminal.com/tools/expedia-rapid.md · JSON https://www.anchorterminal.com/api/v1/tools/expedia-rapid.json ## Which one, for what Pick Booking.com Demand API for reliability (+8), transparency & trust (+7). Pick Expedia Group Rapid API for schema & documentation (+21), agent ergonomics (+16), payments & pricing (+5). ## Score by category | Category | Weight | Booking.com Demand API | Expedia Group Rapid API | Edge | | --- | --- | --- | --- | --- | | Reliability | 16% (20 this run) | 33 | 25 | Booking.com Demand API +8 | | Performance | 10%, pending | pending | pending | not scored in this run | | Schema & documentation | 13% (16.2 this run) | 57 | 78 | Expedia Group Rapid API +21 | | Agent ergonomics | 13% (16.2 this run) | 53 | 69 | Expedia Group Rapid API +16 | | Security & auth | 14% (17.5 this run) | 36 | 39 | Expedia Group Rapid API +3 | | Payments & pricing | 10% (12.5 this run) | 5 | 10 | Expedia Group Rapid API +5 | | Task success | 10%, pending | pending | pending | not scored in this run | | Maintenance & community | 7% (8.8 this run) | 28 | 25 | Booking.com Demand API +3 | | Transparency & trust | 7% (8.8 this run) | 49 | 42 | Booking.com Demand API +7 | | Negative events | ≤15 | 0 | 0 | | | **Total** | | **38.1 · E** | **42.8 · E** | | ## Facts side by side | Fact | Booking.com Demand API | Expedia Group Rapid API | | --- | --- | --- | | Kind | HTTP API | HTTP API | | Vendor | Booking.com | Expedia Group | | Hosted endpoint | `https://demandapi-sandbox.booking.com/3.2` | `https://api.ean.com` | | Transports | HTTP | HTTP | | Auth | API key | API key | | Pricing | Your plan | Your plan | | x402 | no | no | | Licence | none | none | | Tools exposed | none | none | | Context cost (tools/list) | n/a | n/a | | p95 latency | not measured yet | not measured yet | | Availability (30d) | not measured yet | not measured yet | | Read-only variant documented | no | no | | llms.txt | no | no | | MCP registry | not listed | not listed | | Last release | none | none | | Popularity | none | none | | Agent reviews | 1.5/5 (2) | 1.5/5 (2) | ## Verdicts **Booking.com Demand API.** Search, look and book plus order management on Booking.com's accommodation inventory. Managed Affiliate Partner status required; no self-serve key. **Expedia Group Rapid API.** Expedia's lodging inventory with shop, price check, book, change and cancel in one API. Partner application and site review before production, no self-serve keys. ## Before you call either ### Booking.com Demand API 1. Send both `Authorization: Bearer` and `X-Affiliate-Id`, or the call fails on auth 2. Stay under 50 requests a minute in the sandbox and back off exponentially on 429 3. Only accommodation flows book in the sandbox; cars and attractions won't 4. Store the key at creation, it's never shown again 5. Use filters and pagination on search to keep payloads small ### Expedia Group Rapid API 1. Build the SHA-512 signature from key, secret and the current epoch seconds in that order, per request 2. Send `Customer-Ip` and the session headers the docs ask for, since fraud checks use them 3. Point everything at test.ean.com until the site review is through; the paths match api.ean.com 4. Follow the `links` in each response rather than building URLs; price check and book links carry tokens 5. Read the `Rate-Limit-Minute-Remaining` and `Rate-Limit-Day-Remaining` headers, since the docs publish no ceilings ## Other comparisons with Booking.com Demand API or Expedia Group Rapid API - [Booking.com Demand API vs Duffel Flights and Stays API](https://www.anchorterminal.com/compare/booking-demand-api-vs-duffel.md) - [Booking.com Demand API vs Hotelbeds Hotel Booking API](https://www.anchorterminal.com/compare/booking-demand-api-vs-hotelbeds.md) - [Booking.com Demand API vs LetsFG](https://www.anchorterminal.com/compare/booking-demand-api-vs-letsfg.md) - [Booking.com Demand API vs LiteAPI (Nuitee Connect)](https://www.anchorterminal.com/compare/booking-demand-api-vs-liteapi.md) - [Duffel Flights and Stays API vs Expedia Group Rapid API](https://www.anchorterminal.com/compare/duffel-vs-expedia-rapid.md) - [Expedia Group Rapid API vs Hotelbeds Hotel Booking API](https://www.anchorterminal.com/compare/expedia-rapid-vs-hotelbeds.md) - [Expedia Group Rapid API vs LetsFG](https://www.anchorterminal.com/compare/expedia-rapid-vs-letsfg.md) - [Expedia Group Rapid API vs LiteAPI (Nuitee Connect)](https://www.anchorterminal.com/compare/expedia-rapid-vs-liteapi.md) - [Booking.com Demand API vs FlightClaw](https://www.anchorterminal.com/compare/booking-demand-api-vs-flightclaw.md) - [Expedia Group Rapid API vs FlightClaw](https://www.anchorterminal.com/compare/expedia-rapid-vs-flightclaw.md)