HitchPin

HitchPin is an online marketplace for the agriculture and rural economy, connecting farmers, ranchers, and rural businesses to buy and sell hay and forage, grain, cattle and livestock, farm and ranch equipment, trailers, land, and custom agricultural services. Sellers operate branded storefronts, send instant invoices, and collect payment, while buyers browse and purchase listings across the United States. HitchPin publishes public OpenAPI 3.1 definitions for its marketplace and instant-invoicing service, a receipt-rendering service, and a URL-shortcode service on GitHub. The company is backed by Foundry Group.

HitchPin publishes 3 APIs on the APIs.io network: instant-invoice-share API, instant-invoices API, and rendering API. Tagged areas include Company, Marketplace, Agriculture, Livestock, and Hay and Forage.

HitchPin’s developer surface includes documentation, getting-started guide, pricing, signup flow, support, authentication, sandbox, and 16 more developer resources.

🌐 Visit website 📡 Source on GitHub

44.8/100 thin ▬ flat Agent 65/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessSelf serve

3 APIs 1 MCP Servers

CompanyMarketplaceAgricultureLivestockHay and ForageFarm EquipmentInvoicingPaymentsRural

Kin Score

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

Composite quality — 44.8/100 · thin

Contract Quality 12.3 / 25

Developer Ergonomics 11.3 / 20

Commercial Clarity 8.9 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 10.0 / 10

Agent readiness — 65/100 · agent native

Machine-Readable Contract 18 / 18

Agentic Access Contract 15 / 15

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 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/hitchpin: 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 3

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

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

hitchpin-mcp.yml

MCP SERVER

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

SignUp

SignUp

Login

Sandbox

Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

JSONSchema

JSONSchema

JSONSchema

JSONSchema

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

MCPServer

AgentSkill

LLMsTxt

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Conformance

DataModel

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

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: hitchpin
name: HitchPin
description: HitchPin is an online marketplace for the agriculture and rural economy, connecting farmers, ranchers, and rural
  businesses to buy and sell hay and forage, grain, cattle and livestock, farm and ranch equipment, trailers, land, and custom
  agricultural services. Sellers operate branded storefronts, send instant invoices, and collect payment, while buyers browse
  and purchase listings across the United States. HitchPin publishes public OpenAPI 3.1 definitions for its marketplace and
  instant-invoicing service, a receipt-rendering service, and a URL-shortcode service on GitHub. The company is backed by
  Foundry Group.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://avatars.githubusercontent.com/u/38983146?v=4
url: https://raw.githubusercontent.com/api-evangelist/hitchpin/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- foundry-group
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Marketplace
- Agriculture
- Livestock
- Hay and Forage
- Farm Equipment
- Invoicing
- Payments
- Rural
apis:
- aid: hitchpin:hitchpin-instant-invoice-share-api
  name: HitchPin instant-invoice-share API
  description: Invoices shared with a buyer.
  humanURL: https://github.com/HitchPin/hp-apis
  baseURL: https://apiv2.hitchpin.com
  tags:
  - instant-invoice-share
  properties:
  - type: OpenAPI
    url: openapi/hitchpin-instant-invoice-share-api-openapi.yml
- aid: hitchpin:hitchpin-instant-invoices-api
  name: HitchPin instant-invoices API
  description: Invoices created by a seller.
  humanURL: https://github.com/HitchPin/hp-apis
  baseURL: https://apiv2.hitchpin.com
  tags:
  - instant-invoices
  properties:
  - type: OpenAPI
    url: openapi/hitchpin-instant-invoices-api-openapi.yml
- aid: hitchpin:hitchpin-rendering-api
  name: HitchPin rendering API
  description: The rendering API from HitchPin — 3 operation(s) for rendering.
  humanURL: https://github.com/HitchPin/hp-apis
  baseURL: https://apiv2.hitchpin.com
  tags:
  - rendering
  properties:
  - type: OpenAPI
    url: openapi/hitchpin-rendering-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.hitchpin.com
- type: GitHubOrganization
  url: https://github.com/HitchPin
- type: Documentation
  url: https://github.com/HitchPin/public-docs
- type: GettingStarted
  url: https://www.hitchpin.com/how-it-works
- type: Pricing
  url: https://www.hitchpin.com/pricing
- type: SignUp
  url: https://www.hitchpin.com/accounts/register
- type: Login
  url: https://www.hitchpin.com/accounts/login
- type: Support
  url: https://www.hitchpin.com/company/contact
- type: TermsOfService
  url: https://www.hitchpin.com/legal
- type: PrivacyPolicy
  url: https://www.hitchpin.com/legal
- type: Authentication
  url: authentication/hitchpin-authentication.yml
- type: AgenticAccess
  url: agentic-access/hitchpin-agentic-access.yml
- type: DomainSecurity
  url: security/hitchpin-domain-security.yml
- type: Conventions
  url: conventions/hitchpin-conventions.yml
- type: ErrorCatalog
  url: errors/hitchpin-problem-types.yml
- type: Conformance
  url: conformance/hitchpin-conformance.yml
- type: DataModel
  url: data-model/hitchpin-data-model.yml
- type: MCPServer
  url: mcp/hitchpin-mcp.yml
- type: AgentSkill
  url: skills/hitchpin-instant-invoicing.md
- type: Sandbox
  url: sandbox/hitchpin-sandbox.yml
- type: LLMsTxt
  url: llms/hitchpin-llms.txt
- type: JSONSchema
  url: json-schema/hitchpin-problem-details.schema.json
- type: JSONSchema
  url: json-schema/hitchpin-cloudevents.schema.json
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

HitchPin

Kin Score

APIs 3

HitchPin instant-invoice-share API

HitchPin instant-invoices API

HitchPin rendering API

MCP Servers 1

hitchpin-mcp.yml

JSON Schema 2

Hitchpin Cloudevents.Schema

Hitchpin Problem Details.Schema

Security Posture 2

Hitchpin Authentication

Hitchpin Domain Security

Agentic Access 1

Hitchpin Agentic Access