Once

Once (getonce.com) is a consumer chat and connection platform positioned as an alternative to traditional dating apps, offering a pressure-free space for people seeking meaningful connections, improved social skills, and guidance in their personal lives. The mobile app surfaces a small number of daily matches based on shared interests and vibes, lets users join communities of like-minded people, and runs a rewards system called Sparks that members earn and spend on gifts and chat features. Once is a Consumer-sector portfolio company of the venture firm Partech. It ships as a consumer mobile application and does not currently expose a public developer API, developer portal, or API documentation.

Once is profiled on the APIs.io network. Tagged areas include Company, Consumer, Dating, Social, and Chat.

Once’s developer surface includes engineering blog and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyConsumerDatingSocialChatMobileCommunities

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 11.4/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 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
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/once: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Once Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: once
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/once.png
name: Once
description: Once (getonce.com) is a consumer chat and connection platform positioned as an alternative to traditional dating
  apps, offering a pressure-free space for people seeking meaningful connections, improved social skills, and guidance in
  their personal lives. The mobile app surfaces a small number of daily matches based on shared interests and vibes, lets
  users join communities of like-minded people, and runs a rewards system called Sparks that members earn and spend on gifts
  and chat features. Once is a Consumer-sector portfolio company of the venture firm Partech. It ships as a consumer mobile
  application and does not currently expose a public developer API, developer portal, or API documentation.
url: https://raw.githubusercontent.com/api-evangelist/once/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- partech
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Consumer
- Dating
- Social
- Chat
- Mobile
- Communities
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/once-domain-security.yml
- type: Website
  url: https://getonce.com/
- type: Blog
  url: https://dating-expert.medium.com/
- type: TermsOfService
  url: https://www.getonce.com/terms-and-conditions/
- type: PrivacyPolicy
  url: https://www.getonce.com/policy/
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 1
  pass: local-v1