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
37.8/100 thin ▬ flat Agent 48/100 agent ready Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessFreemiumSelf serveFree trial⚡ Free to try
7 APIs
ERPCRMCloud ERPAccountingInventoryCommerceGermanyOrder ManagementBusiness SoftwareSaaS

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 37.8/100 · thin
Contract Quality 13.3 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 48/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
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
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.

weclapp Article API

Articles / products in the catalog.

weclapp Customer API

Customer master data (a party in the customer role).

weclapp Purchase Order API

Purchase orders to suppliers.

weclapp Quotation API

Sales quotations / quotes.

weclapp Sales Invoice API

Sales invoices.

weclapp Sales Order API

Sales orders.

weclapp Shipment API

Outbound shipments / deliveries.

Scroll for all 7

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

weclapp REST API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Weclapp Plans Pricing

5 plans

PLANS

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.

Weclapp Finops

FINOPS

Security Posture 2

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

Weclapp Authentication

apiKey · 1 scheme

SECURITY

Weclapp Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Weclapp Agentic Access

42 operations · 21 acting

42 operations · 21 acting

AGENTIC

Resources

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
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
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
- SaaS
created: '2026-07-12'
modified: '2026-07-12'
specificationVersion: '0.19'
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:
  - 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