diff --git a/.changeset/heavy-melons-fry.md b/.changeset/heavy-melons-fry.md
new file mode 100644
index 000000000..d270c088d
--- /dev/null
+++ b/.changeset/heavy-melons-fry.md
@@ -0,0 +1,5 @@
+---
+'@hey-api/openapi-ts': patch
+---
+
+fix: support custom config file path
diff --git a/packages/openapi-ts/bin/index.cjs b/packages/openapi-ts/bin/index.cjs
index 33df5361a..90de5b482 100755
--- a/packages/openapi-ts/bin/index.cjs
+++ b/packages/openapi-ts/bin/index.cjs
@@ -23,6 +23,7 @@ const params = program
   .option('-d, --debug', 'Run in debug mode?')
   .option('--dry-run [value]', 'Skip writing files to disk?')
   .option('--exportCore [value]', 'Write core files to disk')
+  .option('-f, --file [value]', 'Path to the config file')
   .option(
     '-i, --input <value>',
     'OpenAPI specification (path, url, or string content)',
@@ -56,6 +57,9 @@ const processParams = (obj, booleanKeys) => {
       obj[key] = parsedValue;
     }
   }
+  if (obj.file) {
+    obj.configFile = obj.file;
+  }
   return obj;
 };
 
diff --git a/packages/openapi-ts/src/index.ts b/packages/openapi-ts/src/index.ts
index 83dba0b2b..fe785dc36 100644
--- a/packages/openapi-ts/src/index.ts
+++ b/packages/openapi-ts/src/index.ts
@@ -171,7 +171,14 @@ const getTypes = (userConfig: ClientConfig): Config['types'] => {
 };
 
 const initConfigs = async (userConfig: UserConfig): Promise<Config[]> => {
+  let configurationFile: string | undefined = undefined;
+  if (userConfig.configFile) {
+    const parts = userConfig.configFile.split('.');
+    configurationFile = parts.slice(0, parts.length - 1).join('.');
+  }
+
   const { config: configFromFile } = await loadConfig<UserConfig>({
+    configFile: configurationFile,
     jitiOptions: {
       esmResolve: true,
     },
@@ -191,6 +198,7 @@ const initConfigs = async (userConfig: UserConfig): Promise<Config[]> => {
     const {
       base,
       client = 'fetch',
+      configFile = '',
       debug = false,
       dryRun = false,
       exportCore = true,
@@ -233,6 +241,7 @@ const initConfigs = async (userConfig: UserConfig): Promise<Config[]> => {
     return setConfig({
       base,
       client,
+      configFile,
       debug,
       dryRun,
       exportCore: isStandaloneClient(client) ? false : exportCore,
diff --git a/packages/openapi-ts/src/openApi/common/parser/__tests__/operation.spec.ts b/packages/openapi-ts/src/openApi/common/parser/__tests__/operation.spec.ts
index 616ab0bd5..883e89aa5 100644
--- a/packages/openapi-ts/src/openApi/common/parser/__tests__/operation.spec.ts
+++ b/packages/openapi-ts/src/openApi/common/parser/__tests__/operation.spec.ts
@@ -6,6 +6,7 @@ import { getOperationName, parseResponseStatusCode } from '../operation';
 describe('getOperationName', () => {
   const options1: Parameters<typeof setConfig>[0] = {
     client: 'fetch',
+    configFile: '',
     debug: false,
     dryRun: true,
     exportCore: false,
@@ -29,6 +30,7 @@ describe('getOperationName', () => {
 
   const options2: Parameters<typeof setConfig>[0] = {
     client: 'fetch',
+    configFile: '',
     debug: false,
     dryRun: true,
     exportCore: false,
diff --git a/packages/openapi-ts/src/openApi/v2/parser/__tests__/getServices.spec.ts b/packages/openapi-ts/src/openApi/v2/parser/__tests__/getServices.spec.ts
index d8eac0431..d375857ad 100644
--- a/packages/openapi-ts/src/openApi/v2/parser/__tests__/getServices.spec.ts
+++ b/packages/openapi-ts/src/openApi/v2/parser/__tests__/getServices.spec.ts
@@ -7,6 +7,7 @@ describe('getServices', () => {
   it('should create a unnamed service if tags are empty', () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: true,
       exportCore: true,
diff --git a/packages/openapi-ts/src/openApi/v3/parser/__tests__/getServices.spec.ts b/packages/openapi-ts/src/openApi/v3/parser/__tests__/getServices.spec.ts
index aab29852d..77b35de2e 100644
--- a/packages/openapi-ts/src/openApi/v3/parser/__tests__/getServices.spec.ts
+++ b/packages/openapi-ts/src/openApi/v3/parser/__tests__/getServices.spec.ts
@@ -7,6 +7,7 @@ describe('getServices', () => {
   it('should create a unnamed service if tags are empty', () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: true,
       exportCore: true,
diff --git a/packages/openapi-ts/src/types/client.ts b/packages/openapi-ts/src/types/client.ts
index 00fbcfa22..29fffdfa3 100644
--- a/packages/openapi-ts/src/types/client.ts
+++ b/packages/openapi-ts/src/types/client.ts
@@ -6,7 +6,10 @@ export interface Client {
   server: string;
   services: Service[];
   /**
-   * Map of generated types, keys are type names
+   * Map of generated types where type names are keys. This is used to track
+   * uniquely generated types as we may want to deduplicate if there are
+   * multiple definitions with the same name but different value, or if we
+   * want to transform names.
    */
   types: Record<string, ModelMeta>;
   version: string;
diff --git a/packages/openapi-ts/src/types/config.ts b/packages/openapi-ts/src/types/config.ts
index 90b90e2fb..2ddc50477 100644
--- a/packages/openapi-ts/src/types/config.ts
+++ b/packages/openapi-ts/src/types/config.ts
@@ -18,6 +18,11 @@ export interface ClientConfig {
     | 'fetch'
     | 'node'
     | 'xhr';
+  /**
+   * Path to the config file. Set this value if you don't use the default
+   * config file name, or it's not located in the project root.
+   */
+  configFile?: string;
   /**
    * Run in debug mode?
    * @default false
diff --git a/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts b/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts
index e1e7f2e80..3382dfc29 100644
--- a/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts
+++ b/packages/openapi-ts/src/utils/__tests__/handlebars.spec.ts
@@ -11,6 +11,7 @@ describe('registerHandlebarHelpers', () => {
   it('should register the helpers', () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
@@ -40,6 +41,7 @@ describe('registerHandlebarTemplates', () => {
   it('should return correct templates', () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/class.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/class.spec.ts
index a44b145c0..033f3dcff 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/class.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/class.spec.ts
@@ -13,6 +13,7 @@ describe('writeClientClass', () => {
   it('writes to filesystem', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/client.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/client.spec.ts
index b09fb17d6..9cbf22539 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/client.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/client.spec.ts
@@ -13,6 +13,7 @@ describe('writeClient', () => {
   it('writes to filesystem', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/core.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/core.spec.ts
index 30a495580..b80e90359 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/core.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/core.spec.ts
@@ -26,6 +26,7 @@ describe('writeCore', () => {
 
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
@@ -81,6 +82,7 @@ describe('writeCore', () => {
 
     const config = setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
@@ -119,6 +121,7 @@ describe('writeCore', () => {
     const config = setConfig({
       base: 'foo',
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/index.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/index.spec.ts
index 0293f66cf..bee791c10 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/index.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/index.spec.ts
@@ -13,6 +13,7 @@ describe('processIndex', () => {
   it('writes to filesystem', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/models.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/models.spec.ts
index 1bd3205fa..ab803adc2 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/models.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/models.spec.ts
@@ -13,6 +13,7 @@ describe('processTypes', () => {
   it('writes to filesystem', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/schemas.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/schemas.spec.ts
index 29d8e872e..6712d6587 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/schemas.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/schemas.spec.ts
@@ -14,6 +14,7 @@ describe('processSchemas', () => {
   it('writes to filesystem', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
diff --git a/packages/openapi-ts/src/utils/write/__tests__/services.spec.ts b/packages/openapi-ts/src/utils/write/__tests__/services.spec.ts
index 2ae878260..5e41069ca 100644
--- a/packages/openapi-ts/src/utils/write/__tests__/services.spec.ts
+++ b/packages/openapi-ts/src/utils/write/__tests__/services.spec.ts
@@ -14,6 +14,7 @@ describe('processServices', () => {
   it('writes to filesystem', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
@@ -107,6 +108,7 @@ describe('methodNameBuilder', () => {
   it('use default name', async () => {
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,
@@ -145,6 +147,7 @@ describe('methodNameBuilder', () => {
 
     setConfig({
       client: 'fetch',
+      configFile: '',
       debug: false,
       dryRun: false,
       exportCore: true,