cnvrt.ing exposes a single universal /api/convert endpoint to convert images, documents/PDFs, archives, eBooks, audio and video with dynamic per-format pricing. Payments are made in USDC on the Base network and costs range from $0.005 for images up to $0.015 for eBooks, making it suitable for cost-sensitive storage & infrastructure workflows. The API is designed for batch and on‑the‑fly conversion in ingestion pipelines, CDNs, serverless apps, and other infrastructure integrations.