{"access":{"authentication":{"format":"L402 {macaroon}:{proof_of_payment}","header":"Authorization","protocols":["L402","MPP"],"format_mpp":"Payment <base64url_json>"},"endpoint":"https://sats4ai.com/api/l402/merge-pdfs","method":"POST"},"content_type":"api","description":"Merge multiple PDF files into one. Returns download URL.\n```\n{\n    \"files\": [\"base64-pdf-1\", \"base64-pdf-2\", \"base64-pdf-3\"]\n}\n```\nMinimum 2 PDF files required. Each file is base64-encoded.","name":"PDF Merge","pricing":[{"amount":100,"currency":"SATS"}]}