{ "data": { "a": { "slug": "booking-demand-api", "name": "Booking.com Demand API", "vendor": "Booking.com", "vendorUrl": "https://developers.booking.com/demand/docs", "kind": "http-api", "category": "travel", "summary": "Booking.com's inventory for affiliates, from content-only through search, look and book to order management, across accommodation, cars, attractions and transfers.", "url": "https://www.anchorterminal.com/tools/booking-demand-api", "markdownUrl": "https://www.anchorterminal.com/tools/booking-demand-api.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/booking-demand-api.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/booking-demand-api.json", "transports": [ "http" ], "remoteUrl": "https://demandapi-sandbox.booking.com/3.2", "packages": [], "auth": "api-key", "authNotes": "`Authorization: Bearer \u003capi key\u003e` plus `X-Affiliate-Id: \u003caid\u003e` on every call. The key is generated once in the Affiliate Partner Centre and shown in full only at creation. The same key and affiliate ID work on the sandbox host; the production host is in the API reference behind partner sign-in.", "pricing": "byo-plan", "pricingNotes": "No published prices. Access needs registration as a Booking.com Managed Affiliate Partner with Partner Centre access, and the commercial terms (commission on completed stays) are in that partner agreement rather than the docs. Sandbox and test calls are free once you have a key (https://developers.booking.com/demand/docs/getting-started/try-out-the-api).", "priceSummary": "Your plan", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://developers.booking.com/demand/docs", "capabilities": [ "travel.stays", "travel.booking", "travel.changes", "travel.search" ], "tags": [ "hosted", "closed-source", "enterprise", "partner-only", "eu" ], "graded": true, "anchor": { "graded": true, "score": 38.1, "grade": "E", "agentReady": false, "rank": 431, "ranked": true, "rankOf": 452, "categoryRank": 6, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 53, "maintenance": 28, "payments": 5, "reliability": 33, "schema": 57, "security": 36, "transparency": 49 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Search, look and book plus order management on Booking.com's accommodation inventory. Managed Affiliate Partner status required; no self-serve key.", "strengths": [ "Search, look and book plus order management on Booking.com's accommodation inventory", "Cars, attractions and transfers under the same key", "Three versions with stated status (3.2 stable, 3.1 supported, 3.2-Beta) and a dated changelog", "Sandbox on the same credentials as production, 50 requests a minute", "Key handling guidance in the docs (shown once, rotate yearly, revoke on compromise)" ], "weaknesses": [ "Managed Affiliate Partner status required; no self-serve key", "No published prices, SLA, status page or production rate limits beyond cars search", "No downloadable OpenAPI file, llms.txt, SDKs or MCP server", "Sandbox payment tests need a real card with temporary charges, and only accommodation books there", "One changelog entry in 2026 that we could read" ], "agentNotes": [ "Send both `Authorization: Bearer` and `X-Affiliate-Id`, or the call fails on auth", "Stay under 50 requests a minute in the sandbox and back off exponentially on 429", "Only accommodation flows book in the sandbox; cars and attractions won't", "Store the key at creation, it's never shown again", "Use filters and pagination on search to keep payloads small" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 1.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 38.1 } ], "editorialScores": { "ergonomics": 53, "maintenance": 28, "payments": 5, "reliability": 33, "schema": 57, "security": 36, "transparency": 28 }, "provenanceScore": 70 }, "connect": { "http": "curl -X POST https://demandapi-sandbox.booking.com/3.2/accommodations/search \\\n -H \"Authorization: Bearer $BOOKING_API_KEY\" -H \"X-Affiliate-Id: $BOOKING_AFFILIATE_ID\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"booker\":{\"country\":\"gb\",\"platform\":\"desktop\"},\"checkin\":\"2026-11-10\",\"checkout\":\"2026-11-12\",\"city\":-2601889,\"guests\":{\"number_of_adults\":2,\"number_of_rooms\":1}}'" }, "letme": { "capability": "https://letme.dev/travel.stays", "tool": "https://letme.dev/booking-demand-api" }, "area": "domain-data", "provenance": { "legalEntity": "Booking.com B.V.", "domain": "booking.com", "domainRegistered": "1998-04-17", "endpointOnVendorDomain": true, "terms": "", "privacy": "https://admin.booking.com/hotel/hoteladmin/privacy.html", "statusPage": "", "changelog": "https://developers.booking.com/demand/docs/whats-new/changelog", "securityTxt": "none", "checked": "2026-10-01", "notes": [ "The partner privacy statement names Booking.com B.V., Amsterdam, as the responsible entity; the affiliate terms sit behind Partner Centre sign-in and weren't readable.", "www.booking.com blocks crawlers by robots.txt, so the consumer privacy and terms pages weren't checked.", "developers.booking.com/.well-known/security.txt returned 404 on 30 September.", "The developer portal has a dated changelog, newest entry August 2026." ], "score": 70 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/booking-demand-api.json", "live": { "slug": "booking-demand-api", "probe": { "target": "https://demandapi-sandbox.booking.com/3.2", "method": "get", "lastAt": "2026-10-05T03:17:23.210059013Z", "lastOk": true, "lastStatus": 401, "lastMs": 99, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 102, "p95ms24h": 160, "samples24h": 273, "samples30d": 938, "days": [ { "date": "2026-10-01", "probes": 109, "ok": 109 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 38, "ok": 38 } ] }, "securityTxt": { "url": "https://booking.com/.well-known/security.txt", "state": "expired", "expires": "2025-12-31T23:00:00.000Z", "checkedAt": "2026-10-04T15:15:51.873953535Z" }, "domain": { "domain": "booking.com", "registered": "1998-04-17", "source": "https://rdap.verisign.com/com/v1/domain/booking.com", "checkedAt": "2026-10-04T13:09:07.505050512Z" }, "pages": [ { "url": "https://developers.booking.com/demand/docs/whats-new/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:42:43.113184246Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "c6e369a79bc9" }, { "url": "https://admin.booking.com/hotel/hoteladmin/privacy.html", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:41:07.067795636Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "f2b0aca34b64" } ], "updatedAt": "2026-10-05T03:17:23.210059013Z" } }, "b": { "slug": "duffel", "name": "Duffel Flights and Stays API", "vendor": "Duffel", "vendorUrl": "https://duffel.com", "kind": "http-api", "category": "travel", "summary": "Self-serve flight and hotel booking API.", "url": "https://www.anchorterminal.com/tools/duffel", "markdownUrl": "https://www.anchorterminal.com/tools/duffel.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/duffel.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/duffel.json", "repo": "https://github.com/duffelhq/duffel-api-javascript", "license": "MIT (SDK)", "transports": [ "http" ], "remoteUrl": "https://api.duffel.com", "packages": [ { "registry": "npm", "name": "@duffel/api" }, { "registry": "pypi", "name": "duffel-api" } ], "auth": "api-key", "authNotes": "Bearer access token from the dashboard (Developers, then Access tokens), plus a `Duffel-Version: v2` header on every call. Test and live tokens are separate and come from the same page. Every response carries an `x-request-id` for support.", "pricing": "usage", "pricingNotes": "Pay as you go with no set-up cost. Flights are $3.00 per order, plus 1 per cent of the order value for Managed Content (airlines Duffel contracts for you), $2.00 per paid ancillary, 2 per cent on currency conversion and $0.005 per search once you pass a 1,500 to 1 search to book ratio. Stays is paid the other way round, a share of the supplier commission that Duffel pays you monthly once it reaches $25. Enterprise is bespoke (https://duffel.com/pricing).", "priceSummary": "$3 / tx", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 55, "npmWeekly": 87322, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://duffel.com/docs", "capabilities": [ "travel.flights", "travel.stays", "travel.booking", "travel.changes", "travel.search" ], "tags": [ "hosted", "closed-source", "usage-priced", "typescript", "webhooks", "enterprise", "uk" ], "lastRelease": "2026-09-28", "graded": true, "anchor": { "graded": true, "score": 66.9, "grade": "B", "agentReady": false, "rank": 153, "ranked": true, "rankOf": 452, "categoryRank": 1, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 80, "maintenance": 92, "payments": 40, "reliability": 70, "schema": 59, "security": 60, "transparency": 77 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "high", "date": "2026-10-01" }, "negative": 0, "verdict": "Self-serve sign-up and test mode with no card or contract. No OpenAPI document, llms.txt or official MCP server.", "strengths": [ "Self-serve sign-up and test mode with no card or contract", "Published prices, $3.00 an order, $2.00 a paid ancillary, $0.005 per search above 1,500 to 1", "Orders, holds, changes, cancellations, seats and bags in one API, with a versioning policy that keeps old versions for 6 months", "Statuspage with per-supplier components and a public changelog updated 28 September", "PCI DSS v4 Level 1, a vulnerability disclosure programme and a trust centre" ], "weaknesses": [ "No OpenAPI document, llms.txt or official MCP server", "Default rate limit of 60 requests a minute, which Duffel says can change without notice", "Searches above 1,500 per order cost $0.005 each and can get you capped under the services agreement", "Python SDK archived; TypeScript is the only maintained SDK", "No SLA published for pay-as-you-go or enterprise" ], "agentNotes": [ "Send `Duffel-Version: v2` on every request or you get a version error", "Fetch the single offer again right before creating the order, since an offer goes stale within minutes", "Set a 130-second timeout on order creation, and treat a 202 as processing rather than retrying, or you risk a duplicate", "Read `ratelimit-remaining` before fanning out searches; the default is 60 requests per 60 seconds", "Count offer requests. Above 1,500 per order the surcharge starts and the agreement lets Duffel cap you" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 4, "history": [ { "basis": "public evidence", "confidence": "high", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 66.9 } ], "editorialScores": { "ergonomics": 80, "maintenance": 92, "payments": 40, "reliability": 70, "schema": 59, "security": 60, "transparency": 63 }, "provenanceScore": 90 }, "connect": { "install": "npm install @duffel/api", "http": "curl -X POST https://api.duffel.com/air/offer_requests?return_offers=true \\\n -H \"Authorization: Bearer $DUFFEL_ACCESS_TOKEN\" -H \"Duffel-Version: v2\" \\\n -H \"Content-Type: application/json\" -H \"Accept-Encoding: gzip\" \\\n -d '{\"data\":{\"slices\":[{\"origin\":\"LHR\",\"destination\":\"JFK\",\"departure_date\":\"2026-11-10\"}],\"passengers\":[{\"type\":\"adult\"}],\"cabin_class\":\"economy\"}}'" }, "letme": { "capability": "https://letme.dev/travel.flights", "tool": "https://letme.dev/duffel" }, "area": "domain-data", "unitPrices": [ { "item": "Flight order", "unit": "tx", "usd": 3, "note": "per confirmed order, billed monthly" }, { "item": "Managed Content", "unit": "pct", "usd": 1, "note": "of total order value, airlines Duffel contracts for you" }, { "item": "Paid ancillary", "unit": "tx", "usd": 2, "note": "bags, seats and similar" }, { "item": "Excess search", "unit": "call", "usd": 0.005, "note": "above a 1,500 to 1 search to book ratio" }, { "item": "Foreign exchange", "unit": "pct", "usd": 2, "note": "on the exchange rate" } ], "provenance": { "legalEntity": "Duffel Technology Limited", "domain": "duffel.com", "domainRegistered": "2000-05-02", "domainNote": "duffel.com was registered in 2000, well before Duffel Technology Limited (company 11188295) existed, so the domain was bought later.", "endpointOnVendorDomain": true, "terms": "https://duffel.com/services-agreement", "privacy": "https://duffel.com/privacy-policy", "statusPage": "https://www.duffelstatus.com", "changelog": "https://changelog.duffel.com", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "Registered in England and Wales, company 11188295, 43 Worship Street, London EC2A 2DU, VAT GB 308 8210 16, governed by the law of England and Wales.", "You carry airline debit memos, chargebacks and penalties on your orders under the services agreement.", "duffel.com/.well-known/security.txt returns 404." ], "score": 90 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/duffel.json", "live": { "slug": "duffel", "probe": { "target": "https://api.duffel.com", "method": "get", "lastAt": "2026-10-05T03:17:25.422505003Z", "lastOk": true, "lastStatus": 200, "lastMs": 90, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 65, "p95ms24h": 132, "samples24h": 273, "samples30d": 938, "days": [ { "date": "2026-10-01", "probes": 109, "ok": 109 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 38, "ok": 38 } ] }, "vendorStatus": { "page": "https://www.duffelstatus.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T03:18:59.974133782Z" }, "versions": [ { "registry": "github", "name": "duffelhq/duffel-api-javascript", "version": "v4.30.1", "released": "2026-10-02", "seenAt": "2026-10-04T16:25:53.972942488Z" }, { "registry": "npm", "name": "@duffel/api", "version": "4.30.1", "seenAt": "2026-10-04T16:25:53.344100768Z" }, { "registry": "pypi", "name": "duffel-api", "version": "0.6.2", "released": "2023-10-02", "seenAt": "2026-10-04T16:25:53.787353211Z" } ], "githubStars": 59, "npmWeekly": 97446, "pypiWeekly": 858, "securityTxt": { "url": "https://duffel.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:59.537028906Z" }, "domain": { "domain": "duffel.com", "registered": "2000-05-02", "source": "https://rdap.verisign.com/com/v1/domain/duffel.com", "checkedAt": "2026-10-04T13:06:44.746625158Z" }, "pages": [ { "url": "https://changelog.duffel.com", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:41:50.626742305Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "75a7bddb7ffc" }, { "url": "https://duffel.com/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:44:24.462323926Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "39d641ebc750" }, { "url": "https://duffel.com/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:44:26.500346892Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "1ce367e797bc" }, { "url": "https://duffel.com/services-agreement", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:44:28.525839896Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "627df7899683" } ], "updatedAt": "2026-10-05T03:18:59.974133782Z" } }, "summary": "Duffel Flights and Stays API has a score of 66.9 (B) against Booking.com Demand API's 38.1 (E). Both do travel stays. The largest gap is maintenance \u0026 community, 64 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/booking-demand-api-vs-duffel", "json": "https://www.anchorterminal.com/compare/booking-demand-api-vs-duffel.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/booking-demand-api-vs-duffel.md", "slim": "https://www.anchorterminal.com/compare/booking-demand-api-vs-duffel.min.md" }, "markdown": "Duffel Flights and Stays API has a score of 66.9 (B) against Booking.com Demand API's 38.1 (E). Both do travel stays. The largest gap is maintenance \u0026 community, 64 points.\n\n- 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\n- Duffel Flights and Stays API: grade B, 66.9/100, rank #153 of 452. Markdown https://www.anchorterminal.com/tools/duffel.md · JSON https://www.anchorterminal.com/api/v1/tools/duffel.json\n\n## Which one, for what\n\nPick Booking.com Demand API for nothing in particular (no category where it leads by five points or more).\n\nPick Duffel Flights and Stays API for reliability (+37), agent ergonomics (+27), security \u0026 auth (+24), payments \u0026 pricing (+35), maintenance \u0026 community (+64), transparency \u0026 trust (+28).\n\n## Score by category\n\n| Category | Weight | Booking.com Demand API | Duffel Flights and Stays API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 33 | 70 | Duffel Flights and Stays API +37 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 57 | 59 | Duffel Flights and Stays API +2 |\n| Agent ergonomics | 13% (16.2 this run) | 53 | 80 | Duffel Flights and Stays API +27 |\n| Security \u0026 auth | 14% (17.5 this run) | 36 | 60 | Duffel Flights and Stays API +24 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 5 | 40 | Duffel Flights and Stays API +35 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 28 | 92 | Duffel Flights and Stays API +64 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 49 | 77 | Duffel Flights and Stays API +28 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **38.1 · E** | **66.9 · B** | |\n\n## Facts side by side\n\n| Fact | Booking.com Demand API | Duffel Flights and Stays API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Booking.com | Duffel |\n| Hosted endpoint | `https://demandapi-sandbox.booking.com/3.2` | `https://api.duffel.com` |\n| Transports | HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Your plan | Pay per use |\n| x402 | no | no |\n| Licence | none | MIT (SDK) |\n| Tools exposed | none | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | no | no |\n| MCP registry | not listed | not listed |\n| Last release | none | 2026-09-28 |\n| Popularity | none | 55 stars, 87k npm/wk |\n| Agent reviews | 1.5/5 (2) | 4/5 (2) |\n\n## Verdicts\n\n**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.\n\n**Duffel Flights and Stays API.** Self-serve sign-up and test mode with no card or contract. No OpenAPI document, llms.txt or official MCP server.\n\n## Before you call either\n\n### Booking.com Demand API\n\n1. Send both `Authorization: Bearer` and `X-Affiliate-Id`, or the call fails on auth\n2. Stay under 50 requests a minute in the sandbox and back off exponentially on 429\n3. Only accommodation flows book in the sandbox; cars and attractions won't\n4. Store the key at creation, it's never shown again\n5. Use filters and pagination on search to keep payloads small\n\n### Duffel Flights and Stays API\n\n1. Send `Duffel-Version: v2` on every request or you get a version error\n2. Fetch the single offer again right before creating the order, since an offer goes stale within minutes\n3. Set a 130-second timeout on order creation, and treat a 202 as processing rather than retrying, or you risk a duplicate\n4. Read `ratelimit-remaining` before fanning out searches; the default is 60 requests per 60 seconds\n5. Count offer requests. Above 1,500 per order the surcharge starts and the agreement lets Duffel cap you\n\n## Other comparisons with Booking.com Demand API or Duffel Flights and Stays API\n\n- [Booking.com Demand API vs Expedia Group Rapid API](https://www.anchorterminal.com/compare/booking-demand-api-vs-expedia-rapid.md)\n- [Booking.com Demand API vs Hotelbeds Hotel Booking API](https://www.anchorterminal.com/compare/booking-demand-api-vs-hotelbeds.md)\n- [Booking.com Demand API vs LetsFG](https://www.anchorterminal.com/compare/booking-demand-api-vs-letsfg.md)\n- [Booking.com Demand API vs LiteAPI (Nuitee Connect)](https://www.anchorterminal.com/compare/booking-demand-api-vs-liteapi.md)\n- [Duffel Flights and Stays API vs Expedia Group Rapid API](https://www.anchorterminal.com/compare/duffel-vs-expedia-rapid.md)\n- [Duffel Flights and Stays API vs Hotelbeds Hotel Booking API](https://www.anchorterminal.com/compare/duffel-vs-hotelbeds.md)\n- [Duffel Flights and Stays API vs FlightClaw](https://www.anchorterminal.com/compare/duffel-vs-flightclaw.md)\n- [Duffel Flights and Stays API vs LetsFG](https://www.anchorterminal.com/compare/duffel-vs-letsfg.md)\n- [Duffel Flights and Stays API vs LiteAPI (Nuitee Connect)](https://www.anchorterminal.com/compare/duffel-vs-liteapi.md)\n- [Booking.com Demand API vs FlightClaw](https://www.anchorterminal.com/compare/booking-demand-api-vs-flightclaw.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Booking.com Demand API vs Duffel Flights and Stays API", "url": "" } ], "description": "Duffel Flights and Stays API has a score of 66.9 (B) against Booking.com Demand API's 38.1 (E). Both do travel stays. The largest gap is maintenance \u0026 community, 64 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Booking.com Demand API E 38.1", "Duffel Flights and Stays API B 66.9", "scores" ], "h1": "Booking.com Demand API vs Duffel Flights and Stays API", "image": "https://www.anchorterminal.com/assets/og/compare-booking-demand-api-vs-duffel.png", "path": "/compare/booking-demand-api-vs-duffel", "published": "2026-10-01", "section": "tools", "title": "Booking.com Demand API vs Duffel Flights and Stays API for AI agents", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/booking-demand-api-vs-duffel" }, "tokens": { "markdown": 1500, "slim": 380 }, "version": 1 }