weclapp

weclapp is a German cloud ERP / CRM / commerce platform for small and mid-sized businesses, combining CRM, sales, order management, accounting, inventory / warehouse management, purchasing, and e-commerce in one SaaS suite. Every weclapp tenant exposes a documented REST API at https://.weclapp.com/webapp/api/v1/ with a live Swagger, covering 150+ business entities - parties (customers, suppliers, contacts, leads), articles, sales orders, quotations, sales invoices, shipments, purchase orders, warehouses, and more. Authentication is a per-user API token sent in the AuthenticationToken request header.

weclapp publishes 7 APIs on the APIs.io network, including Article API, Customer API, Purchase Order API, and 4 more. Tagged areas include ERP, CRM, Cloud ERP, Accounting, and Inventory.

weclapp’s developer surface includes authentication, documentation, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

35.9/100 thin ▬ flat Agent 29/100 agent aware Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0

AccessFreemiumSelf serveFree trial⚡ Free to try

7 APIs

ERPCRMCloud ERPAccountingInventoryCommerceGermanyOrder ManagementBusiness SoftwareSoftware-as-a-Service

Kin Score

Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0

Composite quality — 35.9/100 · thin

Contract Quality 13.6 / 25

Developer Ergonomics 4.3 / 20

Access Clarity 7.9 / 20

Operational Transparency 2.7 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 29/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 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

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/weclapp: 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 7

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

Rate Limits 1

Documented rate limits and quota policies.

Weclapp Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: weclapp
url: https://raw.githubusercontent.com/api-evangelist/weclapp/refs/heads/main/apis.yml
name: weclapp
kind: company
description: weclapp is a German cloud ERP / CRM / commerce platform for small and mid-sized businesses, combining CRM, sales,
  order management, accounting, inventory / warehouse management, purchasing, and e-commerce in one SaaS suite. Every weclapp
  tenant exposes a documented REST API at https://<tenant>.weclapp.com/webapp/api/v1/ with a live Swagger, covering 150+ business
  entities - parties (customers, suppliers, contacts, leads), articles, sales orders, quotations, sales invoices, shipments,
  purchase orders, warehouses, and more. Authentication is a per-user API token sent in the AuthenticationToken request header.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/weclapp.png
tags:
- ERP
- CRM
- Cloud ERP
- Accounting
- Inventory
- Commerce
- Germany
- Order Management
- Business Software
- Software-as-a-Service
tags_raw:
- ERP
- CRM
- Cloud ERP
- Accounting
- Inventory
- Commerce
- Germany
- Order Management
- Business Software
- SaaS
created: '2026-07-12'
modified: '2026-07-12'
specificationVersion: '0.23'
apis:
- aid: weclapp:weclapp-article-api
  name: weclapp Article API
  description: Articles / products in the catalog.
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Article
  properties:
  - type: OpenAPI
    url: openapi/weclapp-article-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
- aid: weclapp:weclapp-customer-api
  name: weclapp Customer API
  description: Customer master data (a party in the customer role).
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Customers
  tags_raw:
  - Customer
  properties:
  - type: OpenAPI
    url: openapi/weclapp-customer-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
- aid: weclapp:weclapp-purchase-order-api
  name: weclapp Purchase Order API
  description: Purchase orders to suppliers.
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Purchase Order
  properties:
  - type: OpenAPI
    url: openapi/weclapp-purchase-order-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
- aid: weclapp:weclapp-quotation-api
  name: weclapp Quotation API
  description: Sales quotations / quotes.
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Quotation
  properties:
  - type: OpenAPI
    url: openapi/weclapp-quotation-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
- aid: weclapp:weclapp-sales-invoice-api
  name: weclapp Sales Invoice API
  description: Sales invoices.
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Sales Invoice
  properties:
  - type: OpenAPI
    url: openapi/weclapp-sales-invoice-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
- aid: weclapp:weclapp-sales-order-api
  name: weclapp Sales Order API
  description: Sales orders.
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Sales Order
  properties:
  - type: OpenAPI
    url: openapi/weclapp-sales-order-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
- aid: weclapp:weclapp-shipment-api
  name: weclapp Shipment API
  description: Outbound shipments / deliveries.
  humanURL: https://www.weclapp.com/api/
  baseURL: https://{tenant}.weclapp.com/webapp/api/v1
  tags:
  - Shipment
  properties:
  - type: OpenAPI
    url: openapi/weclapp-shipment-api-openapi.yml
  - type: Documentation
    url: https://www.weclapp.com/api/
  - type: APIReference
    url: https://www.weclapp.com/api/
  - type: PostmanCollection
    url: collections/weclapp.postman_collection.json
  - type: OpenCollection
    url: collections/weclapp.opencollection.json
common:
- type: AgenticAccess
  url: agentic-access/weclapp-agentic-access.yml
- type: DomainSecurity
  url: security/weclapp-domain-security.yml
- type: Authentication
  url: authentication/weclapp-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/weclapp
- type: Website
  url: https://www.weclapp.com/
- type: Documentation
  url: https://www.weclapp.com/api/
- type: Plans
  url: plans/weclapp-plans-pricing.yml
- type: RateLimits
  url: rate-limits/weclapp-rate-limits.yml
- type: FinOps
  url: finops/weclapp-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

weclapp

Kin Score

APIs 7

weclapp Article API

weclapp Customer API

weclapp Purchase Order API

weclapp Quotation API

weclapp Sales Invoice API

weclapp Sales Order API

weclapp Shipment API

Open Collections 9

API Collection

weclapp REST Article API

weclapp REST Article Customer API

weclapp REST Article Purchase Order API

weclapp REST Article Quotation API

weclapp REST Article Sales Invoice API

weclapp REST Article Sales Order API

weclapp REST Article Shipment API

weclapp REST API

Pricing Plans 1

Weclapp Plans Pricing

Rate Limits 1

Weclapp Rate Limits

FinOps 1

Weclapp Finops

Security Posture 2

Weclapp Authentication

Weclapp Domain Security

Agentic Access 1

Weclapp Agentic Access

Resources