Vela

Vela is an AI scheduling assistant from Y Combinator's Winter 2026 batch that handles the ambiguity that breaks scheduling. Added to any email thread or messaging conversation, it negotiates on the user's behalf — reading context, proposing meeting times across timezones, following up with participants, detecting calendar conflicts, rescheduling, and sending invites once scheduling is finalized. It works across Gmail, Outlook, Slack, Teams, WhatsApp, SMS, and phone, and is used by enterprise recruiters coordinating thousands of multi-party interviews a week as well as executives who need white-glove coordination at scale.

Vela is profiled on the APIs.io network. Tagged areas include Company, Scheduling, Artificial Intelligence, AI Agents, and Meetings.

Vela’s developer surface includes engineering blog, support, and 15 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

18.9/100 emerging ▬ flat Agent 0/100 human only Front door AI 4/6 moderate saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

0 APIs

Company Scheduling Artificial Intelligence AI Agents Meetings Calendar Recruiting Productivity

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 18.9/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 1.2 / 17

Access Clarity 7.6 / 17

Operational Transparency 1.6 / 11

Contract Governance 0.0 / 10

Discoverability 4.7 / 9

Regulatory Posture 3.4 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

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 Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →

13 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points Ask about this →
Developer Ergonomics scores 7.1 — up to +18.6 composite points Ask about this →
Contract Governance scores 0.0 — up to +12.0 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/vela/apis.yml: open an issue on github.com/api-evangelist/vela to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Terms of Service 1

What its API terms permit and prohibit, quoted from its own page.

Vela

9 quoted statements, read from Vela's own page on 2026-11-10.

TERMS

Privacy & Data 1

Its role, the data it processes, retention and transfers, quoted from its own privacy page.

Vela

21 quoted statements, read from Vela's own page on 2026-11-10.

PRIVACY

Eligibility 1

Who may sign up and where, quoted from its own terms.

Vela

4 quoted statements, read from Vela's own page on 2026-11-10.

ELIGIBILITY

AI Preferences 1

Its stance on AI training, inference and agents, quoted from its own pages.

Vela

2 quoted statements, read from Vela's own page on 2026-11-10.

AI PREFS

Data License 1

How its data and outputs may be reused, quoted from its own terms.

Vela

1 quoted statement, read from Vela's own page on 2026-11-10.

LICENSE

Security Posture 3

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

Vela Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Vela Vulnerability Disclosure

Hackerone

SECURITY

Vela Trust Center

SOC 2 Type 2, GDPR, CCPA, NIST CSF, NIST AI RMF

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

AIPreferences

AIPreferences

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 5

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

Compliance

Compliance

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 4

Pricing, plans, and the legal terms of use

TermsOfService

PrivacyPolicy

UsageTerms

DataLicense

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

DataProcessing

DataProcessing

Eligibility

Eligibility

Source (apis.yml)

aid: vela
name: Vela
description: Vela is an AI scheduling assistant from Y Combinator's Winter 2026 batch that handles the ambiguity that breaks
  scheduling. Added to any email thread or messaging conversation, it negotiates on the user's behalf — reading context, proposing
  meeting times across timezones, following up with participants, detecting calendar conflicts, rescheduling, and sending
  invites once scheduling is finalized. It works across Gmail, Outlook, Slack, Teams, WhatsApp, SMS, and phone, and is used
  by enterprise recruiters coordinating thousands of multi-party interviews a week as well as executives who need white-glove
  coordination at scale.
url: https://raw.githubusercontent.com/api-evangelist/vela/refs/heads/main/apis.yml
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:
  - security
  generated: '2026-11-13'
  method: derived
image: https://tryvela.ai/favicon.png
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-10-06'
tags:
- Company
- Scheduling
- Artificial Intelligence
- AI Agents
- Meetings
- Calendar
- Recruiting
- Productivity
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- url: https://tryvela.ai/news/
  type: Blog
- type: TrustCenter
  url: security/vela-trust-center.yml
- type: DomainSecurity
  url: security/vela-domain-security.yml
- type: Website
  url: https://tryvela.ai
- type: TermsOfService
  url: https://tryvela.ai/terms
- type: PrivacyPolicy
  url: https://tryvela.ai/privacy
- type: Support
  url: mailto:contact@tryvela.ai
- type: GitHubOrganization
  url: https://github.com/TryVela
- type: VulnerabilityDisclosure
  url: security/vela-vulnerability-disclosure.yml
- type: Security
  url: https://trust.tryvela.ai/
- type: Compliance
  url: https://trust.tryvela.ai/
- type: LLMsTxt
  url: llms/vela-llms.txt
- type: UsageTerms
  url: terms/vela-terms-of-service.yml
- type: DataProcessing
  url: privacy/vela-privacy-policy.yml
- type: Eligibility
  url: eligibility/vela-eligibility.yml
- type: AIPreferences
  url: ai-preferences/vela-ai-preferences.yml
- type: DataLicense
  url: data-license/vela-data-license.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 5
  pass: local-v1

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