billingengine.com valid
BillingEngine
BillingEngine is online invoicing software for freelancers and small businesses in Germany. Every invoice is created as an e-invoice (ZUGFeRD and XRechnung, EN 16931), incoming e-invoices arrive in a dedicated inbox. It includes DATEV export, accountant access, a REST API and an MCP server. A permanently free plan is available. The interface is available in German and English.
For agents: Online invoicing for German freelancers and SMEs: ZUGFeRD/XRechnung e-invoices, DATEV export, REST API, OpenAPI spec, MCP server, free plan and free validator t
e-invoicingzugferdxrechnungdatev exportinvoicing api
- Authority
- 46 reach 5 · trust 5 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://www.billingengine.com/llms.txt
- Sections
- 5
- Links
- 10
- Size
- 1575 bytes
- Popularity rank
- #966234
- Categories
- Finance and payments · Business software
- For agents
- Interface: a documented API or declared MCP endpoint an agent can call
- Audience
- mixed · agents can: read docs, call api, search content · en
- First seen
- 2026-10-19T10:45:28.765Z
- Last checked
- 2026-10-21T22:38:02.308Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-21T22:37:59.136Z. Cached copy · Source on billingengine.com
# BillingEngine
> BillingEngine is online invoicing software for freelancers and small businesses in Germany. Every invoice is created as an e-invoice (ZUGFeRD and XRechnung, EN 16931), incoming e-invoices arrive in a dedicated inbox. It includes DATEV export, accountant access, a REST API and an MCP server. A permanently free plan is available. The interface is available in German and English.
## Product
- [Features](https://www.billingengine.com/en/features): creating e-invoices, receiving e-invoices, quotes, revenue analysis
- [Pricing](https://www.billingengine.com/en/pricing): plans and what each includes
- [Help](https://www.billingengine.com/en/help): questions and answers
## Free tools (no sign-up, no file is stored)
- [Tools overview](https://www.billingengine.com/en/tools): e-invoice generator, validator, viewer, Leitweg-ID (routing ID) checker, VAT calculator, default interest calculator
## For developers and AI assistants
- [REST API](https://www.billingengine.com/en/api): documentation of the API
- [OpenAPI description](https://www.billingengine.com/openapi.json): machine-readable description of the REST API
- [MCP server](https://www.billingengine.com/en/mcp): connect AI assistants such as Claude or Cursor to your invoices
## Knowledge
- [Glossary](https://www.billingengine.com/en/glossary): e-invoice, XRechnung, ZUGFeRD, EN 16931, GoBD, DATEV and more
- [Templates](https://www.billingengine.com/en/templates): invoice and business document templates
## German version
- [Deutsche Startseite](https://www.billingengine.com/de)
Related sites
Other listed sites in Finance and payments. See the whole category →
| Domain | Title | Category | Country | Authority | llms.txt | llms-full.txt | Save |
|---|---|---|---|---|---|---|---|
| forter.com | Forter — Identity Intelligence for Digital Commerce | interface Ecommerce Cybersecurity +1 | US | 75 | ✓ | ✓ | |
| paypal.com | PayPal | transactional Finance and payments | 73 | ✓ | |||
| stripe.com | Stripe | interface Finance and payments APIs and SDKs | IE | 72 | ✓ | ||
| coinmarketcap.com | CoinMarketCap API Documentation | interface Developer tools APIs and SDKs +2 | 71 | ✓ | ✓ | ||
| opentext.com | OpenText | documentation Cybersecurity Finance and payments +4 | CA | 70 | ✓ | ✓ | |
| square.site | Square (US - English) | transactional Ecommerce Finance and payments | US | 69 | ✓ | ||
| clerk.com | Clerk | interface Finance and payments Authentication and identity +1 | US | 68 | ✓ | ✓ | |
| solana.com | Solana Documentation | documentation Finance and payments Documentation and reference +2 | US | 68 | ✓ | ✓ |
Machine-readable: GET /v1/resolve?q=billingengine.com · GET /v1/domain/billingengine.com · this page as Accept: application/json or text/markdown · MCP lookup_domain
Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.
Own or manage this website?
If you own or manage billingengine.com, you can update its listing and review file health, discovery activity and score history.
Manage this listing — optional
What verification unlocks
See how your site is discovered—and control what agents see.
- Control what agents see
Edit your listing description, tags, public contact details and additional llms.txt paths. Publish your terms for automated access, attribution and pricing.
- Make your profile eligible for search
A valid, listed, unblocked, verified profile can appear in our publisher sitemap and become eligible for search-engine visibility. Search engines decide what to index and rank.
- Appear in our llms-full.txt
Eligible verified publishers are listed by name, with their file links and summaries, in the service overview agents can read.
Free. No account registration, backlink or payment required. Public discovery remains available without verification.
Let your coding agent verify it
If your coding agent is authorized to manage this website, paste these instructions into it.
Claim my listing on Agent Web Map for billingengine.com:
1. POST https://agentwebmap.com/v1/sites/billingengine.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://billingengine.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/billingengine.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/billingengine.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verifyCorrections or removal requests: contact the directory.