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PromptWall supports three integration modes. Pick the one that fits your existing setup:

Full Control

Drop-in OpenAI replacement. Customer changes OPENAI_BASE_URL, keeps their OpenAI key, adds an X-PromptWall-Api-Key header.

Verify

Customer calls their LLM directly, then sends the prompt + answer to /v1/verify for validation and policy enforcement.

Events

Customer ships traces to /v1/events from their own SDK / vendor / log import. Observability only — no enforcement.

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Decision guide

  • You already use the OpenAI SDK / OpenAI-compatible API.
  • You want zero application code changes (just two env vars).
  • You want runtime control to be available (opt-in via header or per-tenant policy) without rewriting your app today.
  • You want observability immediately, with no glue code.
  • Your LLM call is wrapped in custom logic you don’t want to move.
  • You already retrieve grounding data and want PromptWall to check the answer against it.
  • You want always-on runtime control (block / rewrite / regenerate) sitting after every LLM call.
  • PromptWall did not execute the LLM call (Moveo, Intercom Fin, Salesforce Einstein, or your own SDK already in production).
  • You want observability without changing the request path.
  • You’re backfilling historical traces from a log archive.

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Required keys per mode

ModeOpenAI API keyPromptWall API key
Proxy✓ (forwarded to OpenAI)✓ (header X-PromptWall-Api-Key)
Verify✗ (you call your LLM)✓ (header X-API-Key or Authorization: Bearer)
Events✗✓ (header X-API-Key)
The customer’s OpenAI billing is unchanged in Proxy mode. Their Authorization: Bearer sk-... header is forwarded verbatim — they keep paying OpenAI directly. PromptWall’s role is purely observation + governance.

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Same dashboard, no matter what mode

All three modes write into the same canonical traces table and appear on the unified Observability dashboard. You can filter by:
  • use_case (e.g. customer_support, coding_assistant)
  • team_id (e.g. support-eu)
  • app_id
  • integration_id (proxy:openai, sdk:my-app@1.0, vendor:moveo, …)
Adding more dimensions never increases your bill — PromptWall prices on volume (requests + tokens), not on dimensions. → See Authentication for full key details, then pick a mode page for ready-to-paste snippets.