diff --git a/sites/backend/openapi/flows.mjs b/sites/backend/openapi/flows.mjs
new file mode 100644
index 00000000000..b30151b6df7
--- /dev/null
+++ b/sites/backend/openapi/flows.mjs
@@ -0,0 +1,75 @@
+import { jwt, key, fields, parameters, response, errorExamples, jsonResponse } from './lib.mjs'
+
+const common = {
+  tags: ['Workflows'],
+  security: [jwt, key],
+}
+
+const local = {
+  params: {
+    id: {
+      in: 'path',
+      name: 'id',
+      required: true,
+      description: "The Set's unique ID",
+      schema: {
+        example: 666,
+        type: 'integer',
+      },
+    },
+  },
+}
+
+// Paths
+export const paths = {}
+
+// Create set
+paths['/flows/translator-invite/{auth}'] = {
+  post: {
+    ...common,
+    summary: 'Sends out an invite to join a FreeSewing translation team',
+    description:
+      'Will trigger an invite to be sent out to the authenticated user that allows them to join a FreeSewing translation team',
+    parameters: [parameters.auth],
+    requestBody: {
+      required: true,
+      content: {
+        'application/json': {
+          schema: {
+            type: 'object',
+            properties: {
+              language: {
+                description: `Language code of the translation team the user wants to join`,
+                type: 'string',
+                example: 'es',
+                enum: ['es', 'de', 'fr', 'nl', 'uk'],
+              },
+            },
+          },
+        },
+      },
+    },
+    responses: {
+      200: {
+        ...response.status['200'],
+        ...jsonResponse({
+          result: { ...fields.result, example: 'sent' },
+        }),
+      },
+      400: {
+        ...response.status['400'],
+        description:
+          response.status['400'].description +
+          errorExamples(['languageMissing', 'languageInvalid']),
+      },
+      401: response.status['401'],
+      403: {
+        ...response.status['403'],
+        description:
+          response.status['403'].description +
+          errorExamples(['accountStatusLacking', 'insufficientAccessLevel']),
+      },
+      500: response.status['500'],
+    },
+  },
+}
diff --git a/sites/backend/openapi/index.mjs b/sites/backend/openapi/index.mjs
index 0425f1dfc94..9925f679a78 100644
--- a/sites/backend/openapi/index.mjs
+++ b/sites/backend/openapi/index.mjs
@@ -6,6 +6,7 @@ import { paths as patternPaths } from './patterns.mjs'
 import { paths as setPaths } from './sets.mjs'
 import { paths as curatedSetPaths } from './curated-sets.mjs'
 import { paths as userPaths } from './users.mjs'
+import { paths as flowPaths } from './flows.mjs'
 
 const description = `
 ## What am I looking at?  🤔
@@ -53,5 +54,6 @@ export const openapi = {
     ...setPaths,
     ...curatedSetPaths,
     ...userPaths,
+    ...flowPaths,
   },
 }
diff --git a/sites/backend/openapi/lib.mjs b/sites/backend/openapi/lib.mjs
index c162eb0d5f1..2f311d81fe2 100644
--- a/sites/backend/openapi/lib.mjs
+++ b/sites/backend/openapi/lib.mjs
@@ -22,6 +22,7 @@ export const errors = {
   keyLevelExceedsRoleLevel:
     'The `level` field in the request body is higher than the `level` of the user creating the key. This is not allowed.',
   languageMissing: 'The `langauge` field was missing from the request body',
+  languageInvalid: 'The `langauge` field holds a value that is invalid',
   levelMissing: 'The `level` field was missing from the request body',
   levelNotNumeric: 'The `level` field in the request body was a number',
   mfaActive: 'MFA is already activated on the account',
diff --git a/sites/backend/src/config.mjs b/sites/backend/src/config.mjs
index a9c2d999c88..178a1889c1b 100644
--- a/sites/backend/src/config.mjs
+++ b/sites/backend/src/config.mjs
@@ -26,6 +26,9 @@ const envToBool = (input = 'no') => {
   return false
 }
 
+// Save ourselves some typing
+const crowdinProject = 'https://translate.freesewing.org/project/freesewing/'
+
 // Construct config object
 const baseConfig = {
   // Environment
@@ -65,6 +68,15 @@ const baseConfig = {
   github: {
     token: process.env.BACKEND_GITHUB_TOKEN,
   },
+  crowdin: {
+    invites: {
+      nl: crowdinProject + 'invite?h=' + process.env.BACKEND_CROWDIN_INVITE_NL,
+      fr: crowdinProject + 'invite?h=' + process.env.BACKEND_CROWDIN_INVITE_FR,
+      de: crowdinProject + 'invite?h=' + process.env.BACKEND_CROWDIN_INVITE_DE,
+      es: crowdinProject + 'invite?h=' + process.env.BACKEND_CROWDIN_INVITE_ES,
+      uk: crowdinProject + 'invite?h=' + process.env.BACKEND_CROWDIN_INVITE_UK,
+    },
+  },
   jwt: {
     secretOrKey: encryptionKey,
     issuer: process.env.BACKEND_JWT_ISSUER || 'freesewing.org',
@@ -72,6 +84,7 @@ const baseConfig = {
     expiresIn: process.env.BACKEND_JWT_EXPIRY || '7d',
   },
   languages: ['en', 'de', 'es', 'fr', 'nl'],
+  translations: ['de', 'es', 'fr', 'nl', 'uk'],
   measies: measurements,
   mfa: {
     service: process.env.BACKEND_MFA_SERVICE || 'FreeSewing',
diff --git a/sites/backend/src/controllers/flows.mjs b/sites/backend/src/controllers/flows.mjs
new file mode 100644
index 00000000000..6966c35d78d
--- /dev/null
+++ b/sites/backend/src/controllers/flows.mjs
@@ -0,0 +1,14 @@
+import { FlowModel } from '../models/flow.mjs'
+
+export function FlowsController() {}
+
+/*
+ * Send out an invite for a translator who wants to join the team
+ * See: https://freesewing.dev/reference/backend/api
+ */
+FlowsController.prototype.sendTranslatorInvite = async (req, res, tools) => {
+  const Flow = new FlowModel(tools)
+  await Flow.sendTranslatorInvite(req)
+
+  return Flow.sendResponse(res)
+}
diff --git a/sites/backend/src/models/flow.mjs b/sites/backend/src/models/flow.mjs
new file mode 100644
index 00000000000..3090a1534e8
--- /dev/null
+++ b/sites/backend/src/models/flow.mjs
@@ -0,0 +1,67 @@
+import { log } from '../utils/log.mjs'
+import { UserModel } from './user.mjs'
+import { i18nUrl } from '../utils/index.mjs'
+
+export function FlowModel(tools) {
+  this.config = tools.config
+  this.mailer = tools.email
+  this.rbac = tools.rbac
+  this.User = new UserModel(tools)
+
+  return this
+}
+
+FlowModel.prototype.sendTranslatorInvite = async function ({ body, user }) {
+  if (!this.rbac.readSome(user)) return this.setResponse(403, 'insufficientAccessLevel')
+  if (Object.keys(body).length < 1) return this.setResponse(400, 'postBodyMissing')
+  if (!body.language) return this.setResponse(400, 'languageMissing')
+  if (!this.config.translations.includes(body.language))
+    return this.setResponse(400, 'languageInvalid')
+
+  // Load user making the call
+  await this.User.revealAuthenticatedUser(user)
+
+  // Send the invite email
+  await this.mailer.send({
+    template: 'transinvite',
+    language: body.language,
+    to: this.User.clear.email,
+    replacements: {
+      actionUrl: this.config.crowdin.invites[body.language],
+      whyUrl: i18nUrl(body.language, `/docs/faq/email/why-transinvite`),
+      supportUrl: i18nUrl(body.language, `/patrons/join`),
+    },
+  })
+
+  return this.setResponse(200, 'sent', {})
+}
+
+/*
+ * Helper method to set the response code, result, and body
+ *
+ * Will be used by this.sendResponse()
+ */
+FlowModel.prototype.setResponse = function (status = 200, error = false, data = {}) {
+  this.response = {
+    status,
+    body: {
+      result: 'success',
+      ...data,
+    },
+  }
+  if (status > 201) {
+    this.response.body.error = error
+    this.response.body.result = 'error'
+    this.error = true
+  } else this.error = false
+  if (status === 404) this.response.body = null
+
+  return this
+}
+
+/*
+ * Helper method to send response
+ */
+FlowModel.prototype.sendResponse = async function (res) {
+  return res.status(this.response.status).send(this.response.body)
+}
diff --git a/sites/backend/src/models/user.mjs b/sites/backend/src/models/user.mjs
index b2731083d26..3bc8f969c2b 100644
--- a/sites/backend/src/models/user.mjs
+++ b/sites/backend/src/models/user.mjs
@@ -125,6 +125,23 @@ UserModel.prototype.loadAuthenticatedUser = async function (user) {
   return this
 }
 
+/*
+ * Loads & reveals the user that is making the API request
+ e
+ * Stores result in this.record
+ */
+UserModel.prototype.revealAuthenticatedUser = async function (user) {
+  if (!user) return this
+  this.record = await this.prisma.user.findUnique({
+    where: { id: user.uid },
+    include: {
+      apikeys: true,
+    },
+  })
+
+  return this.reveal()
+}
+
 /*
  * Checks this.record and sets a boolean to indicate whether
  * the user exists or not
diff --git a/sites/backend/src/routes/flows.mjs b/sites/backend/src/routes/flows.mjs
new file mode 100644
index 00000000000..9fe34d93dd4
--- /dev/null
+++ b/sites/backend/src/routes/flows.mjs
@@ -0,0 +1,17 @@
+import { FlowsController } from '../controllers/flows.mjs'
+
+const Flow = new FlowsController()
+const jwt = ['jwt', { session: false }]
+const bsc = ['basic', { session: false }]
+
+export function flowsRoutes(tools) {
+  const { app, passport } = tools
+
+  // Send a translator invite
+  app.post('/flows/translator-invite/jwt', passport.authenticate(...jwt), (req, res) =>
+    Flow.sendTranslatorInvite(req, res, tools)
+  )
+  app.post('/flows/translator-invite/key', passport.authenticate(...bsc), (req, res) =>
+    Flow.sendTranslatorInvite(req, res, tools)
+  )
+}
diff --git a/sites/backend/src/routes/index.mjs b/sites/backend/src/routes/index.mjs
index 60851db0e10..3155af45471 100644
--- a/sites/backend/src/routes/index.mjs
+++ b/sites/backend/src/routes/index.mjs
@@ -5,6 +5,7 @@ import { patternsRoutes } from './patterns.mjs'
 import { confirmationsRoutes } from './confirmations.mjs'
 import { curatedSetsRoutes } from './curated-sets.mjs'
 import { issuesRoutes } from './issues.mjs'
+import { flowsRoutes } from './flows.mjs'
 
 export const routes = {
   apikeysRoutes,
@@ -14,4 +15,5 @@ export const routes = {
   confirmationsRoutes,
   curatedSetsRoutes,
   issuesRoutes,
+  flowsRoutes,
 }
diff --git a/sites/backend/src/templates/email/index.mjs b/sites/backend/src/templates/email/index.mjs
index 346530eb5c5..319d1fd3982 100644
--- a/sites/backend/src/templates/email/index.mjs
+++ b/sites/backend/src/templates/email/index.mjs
@@ -6,6 +6,7 @@ import { passwordreset, translations as passwordresetTranslations } from './pass
 import { signup, translations as signupTranslations } from './signup/index.mjs'
 import { signupaea, translations as signupaeaTranslations } from './signup-aea/index.mjs'
 import { signupaed, translations as signupaedTranslations } from './signup-aed/index.mjs'
+import { transinvite, translations as transinviteTranslations } from './transinvite/index.mjs'
 // Shared translations
 import en from '../../../public/locales/en/shared.json' assert { type: 'json' }
 import de from '../../../public/locales/de/shared.json' assert { type: 'json' }
@@ -25,6 +26,7 @@ export const templates = {
   signup,
   'signup-aea': signupaea,
   'signup-aed': signupaed,
+  transinvite,
 }
 
 export const translations = {
@@ -36,5 +38,6 @@ export const translations = {
   signup: signupTranslations,
   'signup-aea': signupaeaTranslations,
   'signup-aed': signupaedTranslations,
+  transinvite: transinviteTranslations,
   shared: { en, de, es, fr, nl },
 }
diff --git a/sites/backend/src/templates/email/transinvite/index.mjs b/sites/backend/src/templates/email/transinvite/index.mjs
new file mode 100644
index 00000000000..7c42889e504
--- /dev/null
+++ b/sites/backend/src/templates/email/transinvite/index.mjs
@@ -0,0 +1,32 @@
+import { buttonRow, closingRow, headingRow, lead1Row, wrap } from '../shared/blocks.mjs'
+// Translations
+import en from '../../../../public/locales/en/transinvite.json' assert { type: 'json' }
+import de from '../../../../public/locales/de/transinvite.json' assert { type: 'json' }
+import es from '../../../../public/locales/es/transinvite.json' assert { type: 'json' }
+import fr from '../../../../public/locales/fr/transinvite.json' assert { type: 'json' }
+import nl from '../../../../public/locales/nl/transinvite.json' assert { type: 'json' }
+
+export const transinvite = {
+  html: wrap.html(`
+  ${headingRow.html}
+  ${lead1Row.html}
+  ${buttonRow.html}
+  ${closingRow.html}
+`),
+  text: wrap.text(`
+{{{ heading }}}
+
+{{{ textLead }}}
+
+{{{ actionUrl }}}
+
+{{{ closing }}}
+
+{{{ greeting }}},
+joost
+
+PS: {{{ text-ps }}} : {{{ supportUrl }}}
+`),
+}
+
+export const translations = { en, de, es, fr, nl }
diff --git a/sites/backend/src/templates/email/transinvite/transinvite.en.yaml b/sites/backend/src/templates/email/transinvite/transinvite.en.yaml
new file mode 100644
index 00000000000..08af7f8536d
--- /dev/null
+++ b/sites/backend/src/templates/email/transinvite/transinvite.en.yaml
@@ -0,0 +1,6 @@
+subject: "[FreeSewing] Your invitation to join FreeSewing's the translation team"
+heading: Join a FreeSewing translation team
+lead: 'To join the FreeSewing translation team, click the big black rectangle below:'
+text-lead: 'To join the FreeSewing translation team, click the link below:'
+button: Join the translation team
+closing: "This will take you to Crowdin, the translation platform we use."