Heyo

Heyo is a social marketing platform for building and running online promotions such as sweepstakes, contests, giveaways, quizzes, and coupons. Businesses use Heyo's drag-and-drop campaign builder and landing pages to create interactive campaign apps that publish to the web, mobile, and social networks including Facebook, Instagram, and Twitter. It is used to grow email marketing lists, generate sales leads, acquire new customers, reward existing customers, and increase social followers, with templated promotion apps and a free trial. Heyo is a portfolio company of 500 Global.

Heyo is profiled on the APIs.io network. Tagged areas include Company, Marketing, Social Media, Promotions, and Contests.

Heyo’s developer surface includes pricing and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

15.7/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyMarketingSocial MediaPromotionsContestsSweepstakesGiveawaysLead GenerationEmail MarketingCampaigns

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 15.7/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Commercial Clarity 8.9 / 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/heyo: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

Login

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: heyo
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/heyo.png
name: Heyo
description: Heyo is a social marketing platform for building and running online promotions such as sweepstakes, contests,
  giveaways, quizzes, and coupons. Businesses use Heyo's drag-and-drop campaign builder and landing pages to create interactive
  campaign apps that publish to the web, mobile, and social networks including Facebook, Instagram, and Twitter. It is used
  to grow email marketing lists, generate sales leads, acquire new customers, reward existing customers, and increase social
  followers, with templated promotion apps and a free trial. Heyo is a portfolio company of 500 Global.
url: https://raw.githubusercontent.com/api-evangelist/heyo/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Marketing
- Social Media
- Promotions
- Contests
- Sweepstakes
- Giveaways
- Lead Generation
- Email Marketing
- Campaigns
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/heyo-domain-security.yml
- type: Website
  url: https://heyo.com
- type: Pricing
  url: https://heyo.com/pricing/
- type: TermsOfService
  url: https://heyo.com/terms/
- type: PrivacyPolicy
  url: https://heyo.com/privacy/
- type: Login
  url: https://heyo.com/login
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence