UpdateAiGatewayAgentRequest

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/knoxcall/main/json-schema/knoxcall-update-ai-gateway-agent-request-schema.json",
  "title": "UpdateAiGatewayAgentRequest",
  "description": "Only the provided fields are changed. Every writable column on an agent appears here — this schema is what the typed SDKs are generated and reviewed against, so a field missing from it becomes a field missing from them (AIGW-161).",
  "x-generated": "2026-10-18",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/knoxcall-openapi.json#/components/schemas/UpdateAiGatewayAgentRequest",
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "slug": {
      "type": "string",
      "description": "RENAMES the agent, which MOVES its data-plane URL: `agent_url` is computed from the slug rather than stored, so every caller pointed at the old URL gets a 404 from the moment this returns. The new URL is on this response — read it rather than reconstructing it."
    },
    "description": {
      "type": [
        "string",
        "null"
      ]
    },
    "primary_route_id": {
      "type": [
        "string",
        "null"
      ],
      "format": "uuid"
    },
    "fallback_route_ids": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      }
    },
    "default_model": {
      "type": [
        "string",
        "null"
      ]
    },
    "model_allowlist": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "model_denylist": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "model_rewrite": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "maxProperties": 100,
      "description": "Map of requested model → substituted model. Values must be STRINGS (the server validates with a string map) and at most 100 entries."
    },
    "budget_daily_usd": {
      "type": [
        "number",
        "null"
      ]
    },
    "budget_monthly_usd": {
      "type": [
        "number",
        "null"
      ]
    },
    "budget_per_call_max_tokens": {
      "type": [
        "integer",
        "null"
      ]
    },
    "budget_overage_action": {
      "type": "string",
      "enum": [
        "block",
        "warn",
        "fallback"
      ],
      "description": "What happens once a budget is exhausted. `fallback` needs `fallback_agent_id`; without one it behaves as `block`."
    },
    "fallback_agent_id": {
      "type": [
        "string",
        "null"
      ],
      "format": "uuid"
    },
    "streaming_enabled": {
      "type": "boolean"
    },
    "firewall_policy_id": {
      "type": [
        "string",
        "null"
      ],
      "format": "uuid"
    },
    "pii_redact_policy_id": {
      "type": [
        "string",
        "null"
      ],
      "format": "uuid"
    },
    "pii_detokenize_response": {
      "type": "boolean",
      "deprecated": true,
      "description": "AIGW-100 legacy alias for `pii_response_mode` (`true` -> `detokenize`, `false` -> `redact`). Still accepted; sending both with contradictory values is a 400."
    },
    "pii_request_mode": {
      "type": "string",
      "enum": [
        "off",
        "tokenize"
      ],
      "description": "What happens to the PROMPT before it leaves KnoxCall. Default `tokenize`. Set `off` only for an agent whose payload must reach the provider byte-for-byte (structured tool-use JSON, for example) — it means prompts are forwarded unscanned."
    },
    "pii_response_mode": {
      "type": "string",
      "enum": [
        "redact",
        "detokenize"
      ],
      "description": "What happens to the provider's answer. Default `detokenize`."
    },
    "pii_streaming_holdback_chars": {
      "type": "integer",
      "description": "How many characters of a STREAMED answer are held back while a detector decides. Larger catches an entity split across more chunks; smaller is lower latency."
    },
    "pii_streaming_mode": {
      "type": "string",
      "enum": [
        "holdback",
        "buffer",
        "monitor"
      ],
      "description": "How a streamed answer is rewritten. `holdback` releases text behind a sliding window; `buffer` withholds the whole answer until it is complete; `monitor` REPORTS detections without rewriting, so the raw value reaches the client — an observability mode, not a redaction one."
    },
    "tags": {
      "type": "object",
      "additionalProperties": true,
      "description": "FinOps attribution labels (cost_center/team/project/…) echoed onto this agent's usage rows."
    },
    "cache_mode": {
      "type": "string",
      "enum": [
        "off",
        "exact",
        "semantic"
      ],
      "description": "`semantic` additionally needs `cache_embedding_model`; without one the cache reports itself degraded and serves nothing."
    },
    "cache_ttl_seconds": {
      "type": "integer"
    },
    "cache_similarity_threshold": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "description": "Cosine floor for a semantic cache hit, 0–1. Lower means more hits, and more wrong ones. NOT nullable: the column is `NOT NULL` and the validator is non-nullable, so an explicit `null` is a 400."
    },
    "cache_embedding_model": {
      "type": [
        "string",
        "null"
      ]
    },
    "tool_allowlist": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "output_schema": {
      "type": [
        "object",
        "null"
      ],
      "additionalProperties": true,
      "description": "JSON Schema the answer is validated against."
    },
    "output_validation_action": {
      "type": "string",
      "enum": [
        "block",
        "retry",
        "warn"
      ]
    },
    "data_residency_region": {
      "type": [
        "string",
        "null"
      ]
    },
    "cmek_key_id": {
      "type": [
        "string",
        "null"
      ],
      "format": "uuid"
    },
    "routing_policy": {
      "$ref": "#/$defs/AiGatewayRoutingPolicy"
    },
    "guardrail_webhook_url": {
      "type": [
        "string",
        "null"
      ],
      "format": "uri",
      "description": "HTTPS endpoint your own scanner listens on (AIGW-45). Every prompt — and, in `response`/`both` mode, every response — is POSTed to it for a verdict before it moves.\n\nWhat it receives is the REDACTED, post-tokenization body: the same bytes the provider would get, never a resolved provider credential and never your KnoxCall token. Shipping raw PHI to a third party to ask whether it contains PHI would be the leak the gateway exists to prevent.\n\nThe destination is resolved and refused at write time AND on every call — a private, loopback, link-local or cloud-metadata address is a 400, because DNS is not a promise.\n"
    },
    "guardrail_webhook_secret_id": {
      "type": [
        "string",
        "null"
      ],
      "format": "uuid",
      "description": "Secret holding the HMAC-SHA256 key deliveries are signed with. The signature covers `<timestamp>.<body>` and travels in `x-knox-guardrail-signature` with the timestamp in `x-knox-guardrail-timestamp`, so a captured delivery is not replayable. Omit to send unsigned — the receiver then cannot prove the call came from KnoxCall.\n"
    },
    "guardrail_webhook_mode": {
      "type": "string",
      "enum": [
        "off",
        "request",
        "response",
        "both"
      ],
      "description": "Which directions are inspected. `response` and `both` evaluate the complete buffered response before it is sent, so an agent in those modes REFUSES a streaming request (400 `guardrail_streaming_unsupported`) rather than serving one past a control that could not run on it.\n"
    },
    "guardrail_webhook_timeout_ms": {
      "type": "integer",
      "minimum": 100,
      "maximum": 10000,
      "description": "How long to wait for a verdict. Clamped, because a request waiting on your scanner is holding one of the gateway's API workers.\n"
    },
    "guardrail_webhook_failure_action": {
      "type": "string",
      "enum": [
        "fail_open",
        "fail_closed"
      ],
      "description": "What happens when the hook does not answer. Applies identically to EVERY non-answer — timeout, refused connection, refused destination, non-2xx, unparseable body, an `action` verb we do not recognise. Defaults to `fail_open`, which is the posture an agent already has with no hook at all.\n\nA hook responds `200` with `{\"action\":\"allow\"|\"block\"|\"flag\",\"reason\":\"…\"}`. `block` refuses the request with 400 `guardrail_block` and your `reason` in the message; `flag` serves it and records the outcome.\n"
    }
  },
  "$defs": {
    "AiGatewayRoutingPolicy": {
      "type": "object",
      "description": "How this agent retries and spreads load (AIGW-42). An empty object — the default for every agent — means one attempt per route and fail-over to `fallback_route_ids` on 5xx only, which is the behaviour the gateway has always had.\n\nEvery field is clamped server-side. A request parked waiting to retry occupies an API worker, so `max_attempts` caps at 5, any single delay at 30s, a honoured `Retry-After` at 60s, and the total sleep for one request at 60s regardless of how the fields combine.\n",
      "additionalProperties": false,
      "properties": {
        "retry_on": {
          "type": "array",
          "description": "Which outcomes are retried on the SAME route before failing over. `429` also promotes a rate-limit response to a fail-over trigger; without it a 429 is returned to you immediately, unchanged.\n",
          "items": {
            "type": "string",
            "enum": [
              "429",
              "5xx",
              "timeout"
            ]
          }
        },
        "max_attempts": {
          "type": "integer",
          "minimum": 1,
          "maximum": 5,
          "description": "Attempts per candidate route, including the first. Forced to 1 when `retry_on` is empty, so a stored policy never claims a retry that cannot happen.\n"
        },
        "backoff_ms": {
          "type": "integer",
          "minimum": 0,
          "maximum": 30000,
          "description": "Delay before the second attempt."
        },
        "backoff_multiplier": {
          "type": "number",
          "minimum": 1,
          "maximum": 10
        },
        "max_backoff_ms": {
          "type": "integer",
          "minimum": 0,
          "maximum": 30000
        },
        "respect_retry_after": {
          "type": "boolean",
          "description": "Default true. An upstream `Retry-After` is honoured when it asks for LONGER than the computed backoff — it can extend a wait, never shorten one.\n"
        },
        "max_retry_after_ms": {
          "type": "integer",
          "minimum": 0,
          "maximum": 60000,
          "description": "Ceiling on a honoured `Retry-After`."
        },
        "jitter": {
          "type": "boolean",
          "description": "Default true. Spreads each delay across 50–100% of its computed value so a fleet does not retry in lockstep.\n"
        },
        "route_weights": {
          "type": "object",
          "description": "`{route_id: weight}`. When present, the route that serves a request is chosen in proportion to its weight across the primary and every fallback, and the remainder stay in weighted order for fail-over. A route not named here keeps weight 1; a route weighted 0 is drained and receives no traffic at all, including fail-over traffic. The token's own capability scope is enforced on every candidate, so a weight can never reach a route the token was not granted.\n",
          "additionalProperties": {
            "type": "integer",
            "minimum": 0,
            "maximum": 1000
          }
        }
      }
    }
  }
}