# PPQ.AI (PayPerQ)

> Pay-per-query frontier-model calls — chat, image, video, audio

Pay-per-query access to hundreds of frontier models over Lightning / L402 — no account, no API key, roughly a cent and a half a query — now including end-to-end-encrypted private models.

- Category: inference
- Payment methods: l402, lightning
- Payment detail: lightning / L402 (no account)
- KYC: none (Lightning path)
- Custody: custodial gateway
- Automatability: api-no-account — API with no account — payment or a key is the credential; zero human onboarding
- Auth: none on the L402 path — pay-per-query; or a funded top-up balance
- Quickstart: Pay per query over Lightning/L402 — no account, no API key on that path; API documented at ppq.ai/api-docs (machine pointer: ppq.ai/llms.txt).
- Direction: consume
- Maintainer: PayPerQ
- Site: https://ppq.ai
- Docs/API: https://ppq.ai/api-docs
- Repo: https://github.com/PayPerQ
- Full card (verified detail, gotchas): https://bitcoineconomy.ai/services/ppq-ai
- Provenance: curated (last verified 2026-06-28)

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