{"name":"Alya Books e-Invoicing API","version":"1.0.0","baseUrl":"https://api.alyabooks.ai/api/v1","documentation":"https://docs.alyabooks.ai","openapi":"https://api.alyabooks.ai/api/v1/openapi.json","llms":"https://api.alyabooks.ai/api/v1/llms.txt","mcp":"https://api.alyabooks.ai/api/v1/mcp","authentication":"Send your API key in the X-API-KEY header (Settings → API access). MCP clients can sign in with OAuth instead.","oauth":{"protectedResource":"https://api.alyabooks.ai/api/v1/.well-known/oauth-protected-resource","authorizationServer":"https://api.alyabooks.ai/api/v1/.well-known/openid-configuration"},"resources":["Invoices","Invoice number","Recurring invoices","Incoming invoices","Customers","Products","Projects","Settings","VAT","Accounting exports","Integrations","Payments","Bank feeds","Webhooks","ERP intake","Custom fields","MCP","Account"]}