diff --git a/backend/src/ee/routes/v1/pki-acme-router.ts b/backend/src/ee/routes/v1/pki-acme-router.ts
index 13bad0a6a..24ae75ff5 100644
--- a/backend/src/ee/routes/v1/pki-acme-router.ts
+++ b/backend/src/ee/routes/v1/pki-acme-router.ts
@@ -1,32 +1,38 @@
 /* eslint-disable @typescript-eslint/no-floating-promises */
+import type { TAcmeResponse } from "@app/ee/services/pki-acme/pki-acme-types";
+import { FastifyReply } from "fastify";
 import { z } from "zod";
 
 import {
   CreateAcmeAccountResponseSchema,
   CreateAcmeOrderBodySchema,
   CreateAcmeOrderResponseSchema,
+  DeactivateAcmeAccountBodySchema,
   DeactivateAcmeAccountResponseSchema,
-  DeactivateAcmeAccountSchema,
-  DownloadAcmeCertificateSchema,
-  FinalizeAcmeOrderResponseSchema,
-  FinalizeAcmeOrderSchema,
+  FinalizeAcmeOrderBodySchema,
   GetAcmeAuthorizationResponseSchema,
-  GetAcmeAuthorizationSchema,
   GetAcmeDirectoryResponseSchema,
-  GetAcmeDirectorySchema,
-  GetAcmeNewNonceSchema,
   GetAcmeOrderResponseSchema,
-  GetAcmeOrderSchema,
   ListAcmeOrdersResponseSchema,
-  ListAcmeOrdersSchema,
   RawJwsPayloadSchema,
-  RespondToAcmeChallengeResponseSchema,
-  RespondToAcmeChallengeSchema
+  RespondToAcmeChallengeResponseSchema
 } from "@app/ee/services/pki-acme/pki-acme-schemas";
 import { ApiDocsTags } from "@app/lib/api-docs";
 import { readLimit, writeLimit } from "@app/server/config/rateLimiter";
 
 export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
+  const sendAcmeResponse = async <T>(res: FastifyReply, profileId: string, response: TAcmeResponse<T>): Promise<T> => {
+    res.code(response.status);
+    for (const [key, value] of Object.entries(response.headers)) {
+      res.header(key, value);
+    }
+
+    const nonce = await server.services.pkiAcme.getAcmeNewNonce(profileId);
+    res.header("Replay-Nonce", nonce);
+    res.header("Cache-Control", "no-store");
+    return response.body;
+  };
+
   server.addContentTypeParser("application/jose+json", { parseAs: "string" }, (_, body, done) => {
     try {
       const strBody = body instanceof Buffer ? body.toString() : body;
@@ -53,7 +59,9 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Directory - provides URLs for the client to make API calls to",
-      ...GetAcmeDirectorySchema.shape,
+      params: z.object({
+        profileId: z.string().uuid()
+      }),
       response: {
         200: GetAcmeDirectoryResponseSchema
       }
@@ -77,15 +85,17 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME New Nonce - generate a new nonce and return in Replay-Nonce header",
-      ...GetAcmeNewNonceSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid()
+      }),
       response: {
-        200: z.object({})
+        200: z.string().length(0)
       }
     },
     handler: async (req, res) => {
       const nonce = await server.services.pkiAcme.getAcmeNewNonce(req.params.profileId);
       res.header("Replay-Nonce", nonce);
-      return {};
+      return "";
     }
   });
 
@@ -112,23 +122,16 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
     handler: async (req, res) => {
       const { payload, protectedHeader } = await server.services.pkiAcme.validateNewAccountJwsPayload(req.body);
       const { alg, jwk } = protectedHeader;
-      const { status, body, headers } = await server.services.pkiAcme.createAcmeAccount({
-        profileId: req.params.profileId,
-        alg,
-        jwk: jwk!,
-        payload
-      });
-      // TODO: DRY
-      res.code(status);
-      for (const [key, value] of Object.entries(headers)) {
-        res.header(key, value);
-      }
-
-      // TODO: DRY
-      const nonce = await server.services.pkiAcme.getAcmeNewNonce(req.params.profileId);
-      res.header("Replay-Nonce", nonce);
-      res.header("Cache-Control", "no-store");
-      return body;
+      return sendAcmeResponse(
+        res,
+        req.params.profileId,
+        await server.services.pkiAcme.createAcmeAccount({
+          profileId: req.params.profileId,
+          alg,
+          jwk: jwk!,
+          payload
+        })
+      );
     }
   });
 
@@ -155,14 +158,20 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
     // TODO: replace with verify ACME signature here instead
     // onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
     handler: async (req, res) => {
-      const { payload, protectedHeader, accountId } = await server.services.pkiAcme.validateExistingAccountJwsPayload(
+      const { payload, accountId } = await server.services.pkiAcme.validateExistingAccountJwsPayload(
         req.params.profileId,
         req.body,
         CreateAcmeOrderBodySchema
       );
-      const order = await server.services.pkiAcme.createAcmeOrder(req.params.profileId, req.body);
-      res.code(201);
-      return order;
+      return sendAcmeResponse(
+        res,
+        req.params.profileId,
+        await server.services.pkiAcme.createAcmeOrder({
+          profileId: req.params.profileId,
+          accountId,
+          payload
+        })
+      );
     }
   });
 
@@ -178,7 +187,11 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Account Deactivation",
-      ...DeactivateAcmeAccountSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid(),
+        accountId: z.string()
+      }),
+      body: DeactivateAcmeAccountBodySchema,
       response: {
         200: DeactivateAcmeAccountResponseSchema
       }
@@ -203,7 +216,10 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME List Orders - get existing orders from current account",
-      ...ListAcmeOrdersSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid(),
+        accountId: z.string()
+      }),
       response: {
         200: ListAcmeOrdersResponseSchema
       }
@@ -228,7 +244,10 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Get Order - return status and details of the order",
-      ...GetAcmeOrderSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid(),
+        orderId: z.string().uuid()
+      }),
       response: {
         200: GetAcmeOrderResponseSchema
       }
@@ -253,10 +272,11 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Finalize Order - finalize cert order by providing CSR",
-      ...FinalizeAcmeOrderSchema.shape,
-      response: {
-        200: FinalizeAcmeOrderResponseSchema
-      }
+      params: z.object({
+        profileId: z.string().uuid(),
+        orderId: z.string().uuid()
+      }),
+      body: FinalizeAcmeOrderBodySchema
     },
     // TODO: replace with verify ACME signature here instead
     // onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
@@ -278,7 +298,10 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Download Certificate - download certificate when ready",
-      ...DownloadAcmeCertificateSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid(),
+        orderId: z.string().uuid()
+      }),
       response: {
         200: z.string()
       }
@@ -307,7 +330,10 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Identifier Authorization - get authorization info (challenges)",
-      ...GetAcmeAuthorizationSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid(),
+        authzId: z.string().uuid()
+      }),
       response: {
         200: GetAcmeAuthorizationResponseSchema
       }
@@ -332,7 +358,10 @@ export const registerPkiAcmeRouter = async (server: FastifyZodProvider) => {
       hide: false,
       tags: [ApiDocsTags.PkiAcme],
       description: "ACME Respond to Challenge - let ACME server know challenge is ready",
-      ...RespondToAcmeChallengeSchema.shape,
+      params: z.object({
+        profileId: z.string().uuid(),
+        authzId: z.string().uuid()
+      }),
       response: {
         200: RespondToAcmeChallengeResponseSchema
       }
diff --git a/backend/src/ee/services/pki-acme/pki-acme-schemas.ts b/backend/src/ee/services/pki-acme/pki-acme-schemas.ts
index 7e50b2108..935776a8e 100644
--- a/backend/src/ee/services/pki-acme/pki-acme-schemas.ts
+++ b/backend/src/ee/services/pki-acme/pki-acme-schemas.ts
@@ -1,5 +1,26 @@
 import { z } from "zod";
 
+export enum AcmeIdentifierType {
+  DNS = "dns"
+}
+
+export enum AcmeOrderStatus {
+  Pending = "pending",
+  Processing = "processing",
+  Ready = "ready",
+  Valid = "valid",
+  Invalid = "invalid"
+}
+
+export enum AcmeAuthStatus {
+  Pending = "pending",
+  Valid = "valid",
+  Invalid = "invalid",
+  Deactivated = "deactivated",
+  Expired = "expired",
+  Revoked = "revoked"
+}
+
 export const ProtectedHeaderSchema = z
   .object({
     alg: z.string(),
@@ -20,13 +41,6 @@ export const RawJwsPayloadSchema = z.object({
   signature: z.string()
 });
 
-// Directory endpoint
-export const GetAcmeDirectorySchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid()
-  })
-});
-
 export const GetAcmeDirectoryResponseSchema = z.object({
   newNonce: z.string(),
   newAccount: z.string(),
@@ -34,13 +48,6 @@ export const GetAcmeDirectoryResponseSchema = z.object({
   revokeCert: z.string().optional()
 });
 
-// New Nonce endpoint
-export const GetAcmeNewNonceSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid()
-  })
-});
-
 // New Account payload schema
 export const CreateAcmeAccountBodySchema = z.object({
   contact: z.array(z.string()).optional(),
@@ -73,22 +80,16 @@ export const CreateAcmeAccountResponseSchema = z.object({
 export const CreateAcmeOrderBodySchema = z.object({
   identifiers: z.array(
     z.object({
-      type: z.string(),
-      value: z.string()
+      type: z
+        .string()
+        .regex(/^(?!-)[A-Za-z0-9-]{1,63}(?<!-)(\.(?!-)[A-Za-z0-9-]{1,63}(?<!-))*$/, "Invalid DNS identifier"),
+      value: z.enum(Object.values(AcmeIdentifierType) as [string, ...string[]])
     })
   ),
   notBefore: z.string().optional(),
   notAfter: z.string().optional()
 });
 
-// New Order endpoint
-export const CreateAcmeOrderSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid()
-  }),
-  body: CreateAcmeOrderBodySchema
-});
-
 export const CreateAcmeOrderResponseSchema = z.object({
   status: z.string(),
   expires: z.string(),
@@ -108,41 +109,17 @@ export const DeactivateAcmeAccountBodySchema = z.object({
   status: z.literal("deactivated")
 });
 
-// Account Deactivation endpoint
-export const DeactivateAcmeAccountSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    accountId: z.string()
-  }),
-  body: DeactivateAcmeAccountBodySchema
-});
-
 export const DeactivateAcmeAccountResponseSchema = z.object({
   status: z.string()
 });
 
 // List Orders endpoint
-export const ListAcmeOrdersSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    accountId: z.string()
-  })
-});
-
 export const ListAcmeOrdersResponseSchema = z.object({
   orders: z.array(z.string())
 });
 
-// Get Order endpoint
-export const GetAcmeOrderSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    orderId: z.string()
-  })
-});
-
 export const GetAcmeOrderResponseSchema = z.object({
-  status: z.string(),
+  status: z.enum(Object.values(AcmeOrderStatus) as [string, ...string[]]),
   expires: z.string().optional(),
   identifiers: z.array(
     z.object({
@@ -160,17 +137,8 @@ export const FinalizeAcmeOrderBodySchema = z.object({
   csr: z.string()
 });
 
-// Finalize Order endpoint
-export const FinalizeAcmeOrderSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    orderId: z.string()
-  }),
-  body: FinalizeAcmeOrderBodySchema
-});
-
 export const FinalizeAcmeOrderResponseSchema = z.object({
-  status: z.string(),
+  status: z.enum(Object.values(AcmeOrderStatus) as [string, ...string[]]),
   expires: z.string().optional(),
   identifiers: z.array(
     z.object({
@@ -183,24 +151,8 @@ export const FinalizeAcmeOrderResponseSchema = z.object({
   certificate: z.string().optional()
 });
 
-// Download Certificate endpoint
-export const DownloadAcmeCertificateSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    orderId: z.string()
-  })
-});
-
-// Get Authorization endpoint
-export const GetAcmeAuthorizationSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    authzId: z.string()
-  })
-});
-
 export const GetAcmeAuthorizationResponseSchema = z.object({
-  status: z.string(),
+  status: z.enum(Object.values(AcmeAuthStatus) as [string, ...string[]]),
   expires: z.string().optional(),
   identifier: z.object({
     type: z.string(),
@@ -217,14 +169,6 @@ export const GetAcmeAuthorizationResponseSchema = z.object({
   )
 });
 
-// Respond to Challenge endpoint
-export const RespondToAcmeChallengeSchema = z.object({
-  params: z.object({
-    profileId: z.string().uuid(),
-    authzId: z.string()
-  })
-});
-
 export const RespondToAcmeChallengeResponseSchema = z.object({
   type: z.string(),
   url: z.string(),
diff --git a/backend/src/ee/services/pki-acme/pki-acme-service.ts b/backend/src/ee/services/pki-acme/pki-acme-service.ts
index a6d4b63ac..20cc5f21d 100644
--- a/backend/src/ee/services/pki-acme/pki-acme-service.ts
+++ b/backend/src/ee/services/pki-acme/pki-acme-service.ts
@@ -19,8 +19,15 @@ import {
 import { errors, flattenedVerify, FlattenedVerifyResult, importJWK, JWSHeaderParameters } from "jose";
 import { z, ZodError } from "zod";
 import { TPkiAcmeAccountDALFactory } from "./pki-acme-account-dal";
+import { TPkiAcmeAuthDALFactory } from "./pki-acme-auth-dal";
 import { TPkiAcmeOrderDALFactory } from "./pki-acme-order-dal";
-import { CreateAcmeAccountBodySchema, ProtectedHeaderSchema } from "./pki-acme-schemas";
+import {
+  AcmeAuthStatus,
+  AcmeIdentifierType,
+  AcmeOrderStatus,
+  CreateAcmeAccountBodySchema,
+  ProtectedHeaderSchema
+} from "./pki-acme-schemas";
 import {
   TAcmeResponse,
   TAuthenciatedJwsPayload,
@@ -46,12 +53,14 @@ type TPkiAcmeServiceFactoryDep = {
   certificateProfileDAL: Pick<TCertificateProfileDALFactory, "findById">;
   acmeAccountDAL: Pick<TPkiAcmeAccountDALFactory, "findById" | "findByPublicKey" | "create">;
   acmeOrderDAL: Pick<TPkiAcmeOrderDALFactory, "create">;
+  acmeAuthDAL: Pick<TPkiAcmeAuthDALFactory, "create">;
 };
 
 export const pkiAcmeServiceFactory = ({
   certificateProfileDAL,
   acmeAccountDAL,
-  acmeOrderDAL
+  acmeOrderDAL,
+  acmeAuthDAL
 }: TPkiAcmeServiceFactoryDep): TPkiAcmeServiceFactory => {
   const validateAcmeProfile = async (profileId: string): Promise<TCertificateProfileWithConfigs> => {
     const profile = await certificateProfileDAL.findById(profileId);
@@ -168,11 +177,11 @@ export const pkiAcmeServiceFactory = ({
   };
 
   const getAcmeDirectory = async (profileId: string): Promise<TGetAcmeDirectoryResponse> => {
-    await validateAcmeProfile(profileId);
+    const profile = await validateAcmeProfile(profileId);
     return {
-      newNonce: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/new-nonce`),
-      newAccount: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/new-account`),
-      newOrder: buildUrl(`/api/v1/pki/acme/profiles/${profileId}/new-order`)
+      newNonce: buildUrl(`/api/v1/pki/acme/profiles/${profile.id}/new-nonce`),
+      newAccount: buildUrl(`/api/v1/pki/acme/profiles/${profile.id}/new-account`),
+      newOrder: buildUrl(`/api/v1/pki/acme/profiles/${profile.id}/new-order`)
     };
   };
 
@@ -244,15 +253,29 @@ export const pkiAcmeServiceFactory = ({
     payload: TCreateAcmeOrderPayload;
   }): Promise<TAcmeResponse<TCreateAcmeOrderResponse>> => {
     const account = await acmeAccountDAL.findById(profileId, accountId)!;
-
     // TODO: check and see if we have existing orders for this account that meet the criteria
     //       if we do, return the existing order
 
-    orders = await acmeOrderDAL.create({
-      profileId,
-      accountId,
-      status: "pending"
+    const order = await acmeOrderDAL.create({
+      accountId: account.id,
+      status: AcmeOrderStatus.Pending
     });
+    payload.identifiers.forEach(async (identifier) => {
+      if (identifier.type === AcmeIdentifierType.DNS) {
+        // TODO: reuse existing authorizations for this identifier if they exist
+        const auth = await acmeAuthDAL.create({
+          accountId: account.id,
+          status: AcmeAuthStatus.Pending,
+          identifierType: identifier.type,
+          identifierValue: identifier.value,
+          // TODO: read config from the profile to get the expiration time instead
+          expiresAt: new Date(Date.now() + 24 * 60 * 60 * 1000)
+        });
+      } else {
+        throw new AcmeMalformedError({ detail: "Only DNS identifiers are supported" });
+      }
+    });
+
     // FIXME: Implement ACME new order creation
     const orderId = "FIXME-order-id";
     return {
@@ -262,10 +285,10 @@ export const pkiAcmeServiceFactory = ({
         expires: new Date(Date.now() + 24 * 60 * 60 * 1000).toISOString(),
         identifiers: [],
         authorizations: [],
-        finalize: buildUrl(`/api/v1/pki/acme/profiles/${profile.id}/orders/${orderId}/finalize`)
+        finalize: buildUrl(`/api/v1/pki/acme/profiles/${account.profileId}/orders/${orderId}/finalize`)
       },
       headers: {
-        Location: buildUrl(`/api/v1/pki/acme/profiles/${profile.id}/orders/${orderId}`)
+        Location: buildUrl(`/api/v1/pki/acme/profiles/${account.profileId}/orders/${orderId}`)
       }
     };
   };
diff --git a/backend/src/server/routes/index.ts b/backend/src/server/routes/index.ts
index 49ac7750d..376baaaae 100644
--- a/backend/src/server/routes/index.ts
+++ b/backend/src/server/routes/index.ts
@@ -74,6 +74,7 @@ import { pamSessionServiceFactory } from "@app/ee/services/pam-session/pam-sessi
 import { permissionDALFactory } from "@app/ee/services/permission/permission-dal";
 import { permissionServiceFactory } from "@app/ee/services/permission/permission-service";
 import { pitServiceFactory } from "@app/ee/services/pit/pit-service";
+import { pkiAcmeAuthDALFactory } from "@app/ee/services/pki-acme/pki-acme-auth-dal";
 import { pkiAcmeServiceFactory } from "@app/ee/services/pki-acme/pki-acme-service";
 import { projectTemplateDALFactory } from "@app/ee/services/project-template/project-template-dal";
 import { projectTemplateServiceFactory } from "@app/ee/services/project-template/project-template-service";
@@ -350,6 +351,7 @@ import { workflowIntegrationDALFactory } from "@app/services/workflow-integratio
 import { workflowIntegrationServiceFactory } from "@app/services/workflow-integration/workflow-integration-service";
 
 import { pkiAcmeAccountDALFactory } from "@app/ee/services/pki-acme/pki-acme-account-dal";
+import { pkiAcmeOrderDALFactory } from "@app/ee/services/pki-acme/pki-acme-order-dal";
 import { injectAuditLogInfo } from "../plugins/audit-log";
 import { injectAssumePrivilege } from "../plugins/auth/inject-assume-privilege";
 import { injectIdentity } from "../plugins/auth/inject-identity";
@@ -361,7 +363,6 @@ import { initializeOauthConfigSync } from "./v1/sso-router";
 import { registerV2Routes } from "./v2";
 import { registerV3Routes } from "./v3";
 import { registerV4Routes } from "./v4";
-import { pkiAcmeOrderDALFactory } from "@app/ee/services/pki-acme/pki-acme-order-dal";
 
 const histogram = monitorEventLoopDelay({ resolution: 20 });
 histogram.enable();
@@ -1068,7 +1069,7 @@ export const registerRoutes = async (
   const acmeEnrollmentConfigDAL = acmeEnrollmentConfigDALFactory(db);
   const acmeAccountDAL = pkiAcmeAccountDALFactory(db);
   const acmeOrderDAL = pkiAcmeOrderDALFactory(db);
-
+  const acmeAuthDAL = pkiAcmeAuthDALFactory(db);
   const certificateDAL = certificateDALFactory(db);
   const certificateBodyDAL = certificateBodyDALFactory(db);
   const certificateSecretDAL = certificateSecretDALFactory(db);
@@ -1172,7 +1173,8 @@ export const registerRoutes = async (
   const pkiAcmeService = pkiAcmeServiceFactory({
     certificateProfileDAL,
     acmeAccountDAL,
-    acmeOrderDAL
+    acmeOrderDAL,
+    acmeAuthDAL
   });
 
   const pkiAlertService = pkiAlertServiceFactory({