diff --git a/src/api/exchange/_methods/spotDeploy.ts b/src/api/exchange/_methods/spotDeploy.ts
index 1e3db2ae..8b1bd142 100644
--- a/src/api/exchange/_methods/spotDeploy.ts
+++ b/src/api/exchange/_methods/spotDeploy.ts
@@ -138,6 +138,85 @@ export const SpotDeployRequest = /* @__PURE__ */ (() => {
           evmExtraWeiDecimals: v.pipe(Integer, v.minValue(-2), v.maxValue(18)),
         }),
       }),
+      v.object({
+        /** Type of action. */
+        type: v.literal("spotDeploy"),
+        /**
+         * Outcome deployer parameters.
+         * @see https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/api/hip-4-deployer-actions
+         */
+        outcome: v.union([
+          v.object({
+            /** Deploy a standalone Yes/No market from a standalone outcome template. */
+            registerStandaloneOutcomeFromTemplate: v.object({
+              /** Template identifier. */
+              id: v.string(),
+              /** A list (sorted by key) of template keyword and value. */
+              keywordToValue: v.array(v.tuple([v.string(), v.string()])),
+            }),
+          }),
+          v.object({
+            /** Deploy a question and its named outcomes. */
+            registerQuestionFromTemplate: v.object({
+              /** Instantiation of the question template. */
+              questionTemplateInstance: v.object({
+                /** Template identifier. */
+                id: v.string(),
+                /** A list (sorted by key) of template keyword and value. */
+                keywordToValue: v.array(v.tuple([v.string(), v.string()])),
+              }),
+              /** Instantiations of the named outcome templates (at most 100). */
+              namedOutcomeTemplateInstances: v.array(
+                v.object({
+                  /** Template identifier. */
+                  id: v.string(),
+                  /** A list (sorted by key) of template keyword and value. */
+                  keywordToValue: v.array(v.tuple([v.string(), v.string()])),
+                }),
+              ),
+            }),
+          }),
+          v.object({
+            /** Settle one outcome of the deployer. */
+            settleOutcome: v.object({
+              /** Outcome identifier. */
+              outcome: UnsignedInteger,
+              /** Payout fraction of the Yes side (between 0 and 1). */
+              settleFraction: UnsignedDecimal,
+              /** Settlement details. Must be empty. */
+              details: v.string(),
+              /** Name and description of the outcome being settled. */
+              nameAndDescription: v.tuple([v.string(), v.string()]),
+              /** Names of the Yes and No sides of the outcome being settled. */
+              sideNames: v.tuple([v.string(), v.string()]),
+            }),
+          }),
+          v.object({
+            /** Settle all remaining named outcomes of a question. */
+            settleQuestion2: v.object({
+              /** Question identifier. */
+              question: UnsignedInteger,
+              /** Settlement of each remaining active named outcome. */
+              outcomeSettlements: v.array(
+                v.object({
+                  /** Outcome identifier. */
+                  outcome: UnsignedInteger,
+                  /** Payout fraction of the Yes side (between 0 and 1). */
+                  settleFraction: UnsignedDecimal,
+                  /** Settlement details. Must be empty. */
+                  details: v.string(),
+                  /** Name and description of the outcome being settled. */
+                  nameAndDescription: v.tuple([v.string(), v.string()]),
+                  /** Names of the Yes and No sides of the outcome being settled. */
+                  sideNames: v.tuple([v.string(), v.string()]),
+                }),
+              ),
+              /** Name and description of the question being settled. */
+              nameAndDescription: v.tuple([v.string(), v.string()]),
+            }),
+          }),
+        ]),
+      }),
     ]),
     /** Nonce (timestamp in ms) used to prevent replay attacks. */
     nonce: UnsignedInteger,
diff --git a/tests/api/exchange/spotDeploy.test.ts b/tests/api/exchange/spotDeploy.test.ts
index ea23d92e..14c88991 100644
--- a/tests/api/exchange/spotDeploy.test.ts
+++ b/tests/api/exchange/spotDeploy.test.ts
@@ -110,6 +110,58 @@ runTest({
           evmExtraWeiDecimals: 0,
         },
       },
+      {
+        outcome: {
+          registerStandaloneOutcomeFromTemplate: {
+            id: "binaryPrice",
+            keywordToValue: [["perp", "BTC"], ["threshold", "1000000"], ["time", "20260901-0600"]],
+          },
+        },
+      },
+      {
+        outcome: {
+          registerQuestionFromTemplate: {
+            questionTemplateInstance: {
+              id: "binaryPrice",
+              keywordToValue: [["perp", "BTC"], ["threshold", "1000000"], ["time", "20260901-0600"]],
+            },
+            namedOutcomeTemplateInstances: [
+              {
+                id: "binaryPrice",
+                keywordToValue: [["perp", "BTC"], ["threshold", "1000000"], ["time", "20260901-0600"]],
+              },
+            ],
+          },
+        },
+      },
+      {
+        outcome: {
+          settleOutcome: {
+            outcome: 0,
+            settleFraction: "1",
+            details: "",
+            nameAndDescription: ["template:binaryPrice", "perp:BTC"],
+            sideNames: ["Yes", "No"],
+          },
+        },
+      },
+      {
+        outcome: {
+          settleQuestion2: {
+            question: 0,
+            outcomeSettlements: [
+              {
+                outcome: 0,
+                settleFraction: "1",
+                details: "",
+                nameAndDescription: ["template:binaryPrice", "perp:BTC"],
+                sideNames: ["Yes", "No"],
+              },
+            ],
+            nameAndDescription: ["template:binaryPrice", "perp:BTC"],
+          },
+        },
+      },
     ];
 
     await Promise.all(params.map((p) =>