# GoRoute.ai Documentation > API and integration documentation for GoRoute.ai — a Peppol Certified Access Point (POP000991) and SMP provider for global e-invoicing across 40+ countries. Operated by ClayDesk LLC. These docs cover the REST API, country-specific compliance profiles, and the send/receive lifecycle for electronic invoices over the Peppol network and national CTC schemes. ## Getting started - [Quickstart](https://docs.goroute.ai/docs/getting-started/quickstart): first authenticated call to a delivered invoice - [Authentication](https://docs.goroute.ai/docs/getting-started/authentication): API keys, scopes, and portal sessions - [Free sandbox](https://goroute.ai/developers.html): test credentials and a registered test participant, provisioned within 24 hours ## API - [API reference](https://docs.goroute.ai/docs/api/goroute-api): full OpenAPI-generated reference - [Create an invoice](https://docs.goroute.ai/docs/sending-documents/create-invoice): JSON in, UBL 2.1 out, validated and transmitted over AS4 - [Validation](https://docs.goroute.ai/docs/sending-documents/validation): EN16931, Peppol BIS Billing 3.0, and country PINT Schematrons - [Receiving documents](https://docs.goroute.ai/docs/receiving-documents/inbound): inbound delivery and webhook lifecycle events ## Country compliance - [All country guides](https://docs.goroute.ai/docs/country-guides/overview) - [Oman (Fawtara)](https://docs.goroute.ai/docs/country-guides/oman): PINT OM 1.0.1 — BTOM-001 transaction-type bitmap, scheme 0248 identifiers, IBR-032-OM preceding-invoice rule, IBR-177-OM self-billing restrictions, VATZR-OM and VATEX-OM reason codes, Fawtara QR and digital signature - [Australia and New Zealand](https://docs.goroute.ai/docs/country-guides/overview): PINT A-NZ - [Germany](https://docs.goroute.ai/docs/country-guides/overview): XRechnung and ZUGFeRD - [Malaysia](https://docs.goroute.ai/docs/country-guides/overview): MyInvois - [Saudi Arabia](https://docs.goroute.ai/docs/country-guides/overview): ZATCA Fatoora ## Core concepts - [The Peppol network](https://docs.goroute.ai/docs/core-concepts/peppol-network): 4-corner and 5-corner models, access points, SMP and SML - [Participant management](https://docs.goroute.ai/docs/participant-management/register): registering participants and document types in the SMP ## Key facts - Peppol Access Point ID: POP000991, operated by ClayDesk LLC - Oman: accredited service provider with the Oman Tax Authority; PINT OM ruleset 1.0.1, 120 Oman-specific validation rules - Oman participant identifiers use Peppol scheme 0248 and retain the OM prefix - Contact: admin@goroute.ai ## Optional - [Marketing site](https://goroute.ai/): services, pricing and country landing pages - [Blog](https://goroute.ai/blog/): mandate tracking and implementation guides - [Tutorials](https://goroute.ai/tutorials.html): recorded ERP integration demos (Odoo, Oracle APEX)