Hotel Tonight website screenshot

Hotel Tonight

HotelTonight is a last-minute hotel booking service founded in 2010 in San Francisco and acquired by Airbnb in 2019 for a reported $400 million. Through its mobile app and website it offers curated same-day and near-term deals on boutique, independent, and chain hotels across thousands of cities worldwide, with more than 15 million app downloads. Its developer surface is a partner/agent-facing portal (api-docs.hoteltonight.com) rather than a publicly documented API; this profile is maintained in the API Evangelist network as an enrichment lead.

Hotel Tonight publishes 1 API on the APIs.io network. Tagged areas include Company, Consumer, Travel, Hotels, and Booking.

Hotel Tonight’s developer surface includes support, documentation, signup flow, authentication, and 11 more developer resources.

28.5/100 thin ▬ flat Agent 3/100 human only saas Full breakdown ↓
scored 2026-08-30 · rubric v0.17.2
1 APIs
CompanyConsumerTravelHotelsBookingHospitalityMobileAirbnb

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-30 · rubric v0.17.2
Composite quality — 28.5/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 8.6 / 20
Access Clarity 8.4 / 20
Operational Transparency 1.7 / 13
Contract Governance 2.2 / 12
Discoverability 7.6 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/hotel-tonight: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

HotelTonight Partner API

Auth-gated partner/agent API portal for HotelTonight hotel supply and booking operations. Requires partner-agent credentials; no public OpenAPI is published.

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Hotel Tonight Authentication

http · 1 scheme

SECURITY

Hotel Tonight Domain Security

TLSv1.2 · HSTS · DMARC

SECURITY

Hotel Tonight Vulnerability Disclosure

disclosure policy published

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 5

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: hotel-tonight
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/hotel-tonight.png
name: Hotel Tonight
description: HotelTonight is a last-minute hotel booking service founded in 2010 in San Francisco and acquired by Airbnb in
  2019 for a reported $400 million. Through its mobile app and website it offers curated same-day and near-term deals on boutique,
  independent, and chain hotels across thousands of cities worldwide, with more than 15 million app downloads. Its developer
  surface is a partner/agent-facing portal (api-docs.hoteltonight.com) rather than a publicly documented API; this profile
  is maintained in the API Evangelist network as an enrichment lead.
url: https://raw.githubusercontent.com/api-evangelist/hotel-tonight/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
- ggv-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-08'
tags:
- Company
- Consumer
- Travel
- Hotels
- Booking
- Hospitality
- Mobile
- Airbnb
apis:
- name: HotelTonight Partner API
  description: Auth-gated partner/agent API portal for HotelTonight hotel supply and booking operations. Requires partner-agent
    credentials; no public OpenAPI is published.
  humanURL: https://api-docs.hoteltonight.com/
  baseURL: https://api.hoteltonight.com
  properties:
  - type: APIReference
    url: https://api-docs.hoteltonight.com/
  - type: Documentation
    url: https://api-docs.hoteltonight.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.hoteltonight.com
- type: Support
  url: https://www.hoteltonight.com/customer-support
- type: TermsOfService
  url: https://www.hoteltonight.com/terms-of-use
- type: PrivacyPolicy
  url: https://www.hoteltonight.com/terms-of-use/privacy-policy
- type: GitHubOrganization
  url: https://github.com/hoteltonight
- type: Security
  url: https://www.hoteltonight.com/terms-of-use/security
- type: Compliance
  url: https://www.hoteltonight.com/terms-of-use/security
- type: VulnerabilityDisclosure
  url: security/hotel-tonight-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/hotel-tonight-domain-security.yml
- type: Conformance
  url: conformance/hotel-tonight-conformance.yml
- type: LLMsTxt
  url: llms/hotel-tonight-llms.txt
- type: DeveloperPortal
  url: https://api-docs.hoteltonight.com/
- type: Documentation
  url: https://api-docs.hoteltonight.com/
- type: SignUp
  url: https://www.hoteltonight.com/hotel-partners
- type: Authentication
  url: authentication/hotel-tonight-authentication.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence
x-merged-from:
- hoteltonight

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