Formboost

Form-backend-as-a-service with a single unauthenticated HTTP POST submission endpoint for any frontend or static site. Submissions land in an inbox and searchable dashboard and can fan out to Google Sheets, email, Slack, Discord, Telegram, Zapier, n8n, and webhooks. No backend code, server, or database required.

Formboost publishes 1 API on the APIs.io network. Tagged areas include forms, form-backend, html-forms, serverless, and static-sites.

The Formboost catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Formboost’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 23 more developer resources.

🌐 Visit website 📡 Source on GitHub

61.3/100 strong Agent 25/100 agent aware Full breakdown ↓
scored 2026-09-02 · rubric v0.18.0

1 APIs

formsform-backendhtml-formsserverlessstatic-sitesreactnextjsvuewebhooksno-codedeveloper-toolsspam-filtering

Kin Score

Kin Score How this is scored →
scored 2026-09-02 · rubric v0.18.0

Composite quality — 61.3/100 · strong

Contract Quality 10.4 / 25

Developer Ergonomics 11.4 / 20

Access Clarity 18.4 / 20

Operational Transparency 11.3 / 13

Contract Governance 2.2 / 12

Discoverability 7.6 / 10

Agent readiness — 25/100 · agent aware

Machine-Readable Contract 18 / 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 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 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/. 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 github.com/api-evangelist/formboost: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

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

Rate Limits 1

Documented rate limits and quota policies.

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Lifecycle

Conventions

ErrorCatalog

Webhooks

Conformance

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Packages

Packages

Access & Security 6

Authentication, authorization, and security posture

Security

Authentication

Compliance

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 6

Status, limits, changes, and where to get help

Support

HelpCenter

StatusPage

ChangeLog

ChangeLog

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

name: Formboost
description: Form-backend-as-a-service with a single unauthenticated HTTP POST submission endpoint for any frontend or static
  site. Submissions land in an inbox and searchable dashboard and can fan out to Google Sheets, email, Slack, Discord, Telegram,
  Zapier, n8n, and webhooks. No backend code, server, or database required.
url: https://raw.githubusercontent.com/api-evangelist/formboost/refs/heads/main/apis.yml
image: https://formboost.app/og.png
created: '2026-09-02'
modified: '2026-09-02'
specificationVersion: '0.21'
tags:
- forms
- form-backend
- html-forms
- serverless
- static-sites
- react
- nextjs
- vue
- webhooks
- no-code
- developer-tools
- spam-filtering
apis:
- name: Formboost Form Submission API
  description: Single public unauthenticated HTTP endpoint (POST https://formboost.app/f/{alias}) that accepts JSON or form-encoded
    submissions. Returns 202 to JSON clients and 302 to HTML form posts. Discovery via a confirmed llms.txt.
  humanURL: https://formboost.app/docs/api-reference-and-config
  baseURL: https://formboost.app
  tags:
  - forms
  - form-backend
  - html-forms
  - serverless
  - static-sites
  - react
  - nextjs
  - vue
  - webhooks
  - no-code
  - developer-tools
  - spam-filtering
  properties:
  - type: Documentation
    url: https://formboost.app/docs
  - type: APIReference
    url: https://formboost.app/docs/api-reference-and-config
  - type: GettingStarted
    url: https://formboost.app/docs/getting-started
  - type: LLMsTxt
    url: https://formboost.app/llms.txt
  - type: LLMsTxt
    url: llms/formboost-llms.txt
  - type: Authentication
    url: authentication/formboost-authentication.yml
  - type: ErrorCatalog
    url: errors/formboost-problem-types.yml
  - type: RateLimits
    url: rate-limits/formboost-rate-limits.yml
  - type: Conventions
    url: conventions/formboost-conventions.yml
  - type: Webhooks
    url: asyncapi/formboost-webhooks.yml
maintainers:
- FN: Formboost
  url: https://formboost.app
  email: support@formboost.app
common:
- type: Documentation
  url: https://formboost.app/docs
- type: DeveloperPortal
  url: https://dashboard.formboost.app
- type: APIReference
  url: https://formboost.app/docs/api-reference-and-config
- type: GettingStarted
  url: https://formboost.app/docs/getting-started
- type: Support
  url: https://formboost.app/support
- type: HelpCenter
  url: https://formboost.app/faq
- type: Blog
  url: https://formboost.app/blog
- type: GitHubOrganization
  url: https://github.com/formboost
- type: Pricing
  url: https://formboost.app/pricing
- type: SignUp
  url: https://dashboard.formboost.app/signup
- type: TermsOfService
  url: https://formboost.app/terms
- type: PrivacyPolicy
  url: https://formboost.app/privacy
- type: Security
  url: https://formboost.app/security
- type: StatusPage
  url: https://status.formboost.app
- type: ChangeLog
  url: https://formboost.app/changelog
- type: LLMsTxt
  url: llms/formboost-llms.txt
- type: ChangeLog
  url: changelog/formboost-changelog.yml
- type: Lifecycle
  url: lifecycle/formboost-lifecycle.yml
- type: Plans
  url: plans/formboost-plans-pricing.yml
- type: RateLimits
  url: rate-limits/formboost-rate-limits.yml
- type: Authentication
  url: authentication/formboost-authentication.yml
- type: Conventions
  url: conventions/formboost-conventions.yml
- type: ErrorCatalog
  url: errors/formboost-problem-types.yml
- type: Webhooks
  url: asyncapi/formboost-webhooks.yml
- type: Conformance
  url: conformance/formboost-conformance.yml
- type: Compliance
  url: conformance/formboost-conformance.yml
- type: TrustCenter
  url: security/formboost-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/formboost-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/formboost-domain-security.yml
- type: Packages
  url: packages/formboost-packages.yml
x-enrichment:
  date: '2026-09-02'
  status: enriched
  artifacts_added: 16
  pass: local-v1
generated:
  by: apis.io/add
  model: claude-opus-4-8
  confidence: 95
  at: '2026-09-02T12:26:45.044Z'

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Formboost

Kin Score

APIs 1

Formboost Form Submission API

Pricing Plans 1

Formboost Plans Pricing

Rate Limits 1

Formboost Rate Limits

Event Specifications 1

Formboost Webhooks

Security Posture 4

Formboost Authentication

Formboost Domain Security

Formboost Vulnerability Disclosure

Formboost Trust Center

Resources