diff --git a/rest/ibm-iam/README.md b/rest/ibm-iam/README.md
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+# IBM IAM Token
+
+## Overview
+
+Defines a field `Query.ibm_iam_token` that obtains an IBM Cloud IAM token.
+
+This can be used in as the first step of a sequence to obtain a token for a subsequent execution
+of an `@rest` field in the sequence.
+
+An example (`Query.usage`) is provided of accessing the IBM Cloud billing usage endpoint using
+a `@sequence` to fetch a token and then make the REST request.
+
+The same technique can be used with any IAM system.
+
+## Try it out
+
+The schema must be deployed with the environment variable `STEPZEN_IBM_IAM_APIKEY` set
+to an IBM Cloud API key, typically by a CI/CD workflow.
+
+Then a request such as this can be executed, replacing `<<account ID>>` with an IBM Cloud account ID
+that matches the IBM Cloud API key:
+
+```
+stepzen request '{usage(account:"<<account ID>>" month:"2025-01") }'
+```
diff --git a/rest/ibm-iam/config.yaml b/rest/ibm-iam/config.yaml
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+++ b/rest/ibm-iam/config.yaml
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+configurationset:
+- configuration:
+    endpoint: https://iam.cloud.ibm.com/identity/token
+    apikey: STEPZEN_IBM_IAM_APIKEY
+    name: ibm-iam
diff --git a/rest/ibm-iam/ibm-iam.graphql b/rest/ibm-iam/ibm-iam.graphql
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+extend type Query {
+  """
+  Obtain an IBM Cloud bearer token.
+
+  Uses the [IBM Cloud API Key](https://cloud.ibm.com/docs/account?topic=account-userapikey&interface=ui#userapikey)
+  or [service ID's API Key](https://cloud.ibm.com/docs/account?topic=account-serviceidapikeys&interface=ui)
+  to [generate an IAM Token](https://cloud.ibm.com/docs/account?topic=account-iamtoken_from_apikey#iamtoken_from_apikey)
+  """
+  ibm_iam_token: Secret
+    @rest(
+      endpoint: "$endpoint"
+      method: POST
+      contenttype: "x-www-form-urlencoded"
+      postbody: """
+      grant_type=urn:ibm:params:oauth:grant-type:apikey&apikey={{ .Get "apikey"}}
+      """
+      ecmascript: """
+      function transformREST(body) {
+        switch (status) {
+          case 200:
+            return body
+          case 401:
+          case 400: // returned for apikey not found
+            throw new Error('unauthorized');
+          default:
+            throw new Error('unknown error');
+        }
+      }
+      """
+      setters: { path: "access_token" }
+      configuration: "ibm-iam"
+    )
+}
diff --git a/rest/ibm-iam/index.graphql b/rest/ibm-iam/index.graphql
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+++ b/rest/ibm-iam/index.graphql
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+schema @sdl(files: ["ibm-iam.graphql"]) {
+  query: Query
+}
+
+"""
+Example use of `Query.ibm_iam_token`.
+
+First fetches a token and then executes a REST request using the token.
+"""
+type Query {
+  """
+  IBM Cloud account usage.
+  """
+  usage(
+    """
+    IBM Cloud account ID.
+    """
+    account: String!
+    """
+    Billing month with format `yyyy-mm`
+    """
+    month: String!
+  ): JSON
+    @sequence(
+      steps: [
+        { query: "ibm_iam_token" }
+        {
+          query: "_usage"
+          arguments: [
+            { name: "token", field: "§0" }
+            { name: "account", argument: "account" }
+            { name: "month", argument: "month" }
+          ]
+        }
+      ]
+    )
+
+  """
+  Fetch requesst against the usage endpoint.
+
+  https://cloud.ibm.com/apidocs/metering-reporting#get-account-usage
+  """
+  _usage(token: Secret!, account: String!, month: String!): JSON
+    @rest(
+      endpoint: "https://billing.cloud.ibm.com/v4/accounts/$account/usage/$month"
+      headers: { name: "Authorization", value: "Bearer $token" }
+    )
+}
diff --git a/rest/ibm-iam/stepzen.config.json b/rest/ibm-iam/stepzen.config.json
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+++ b/rest/ibm-iam/stepzen.config.json
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+{
+  "endpoint": "api/miscellaneous"
+}
diff --git a/rest/ibm-iam/tests/Test.js b/rest/ibm-iam/tests/Test.js
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+++ b/rest/ibm-iam/tests/Test.js
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+const {
+  deployAndRun,
+  getTestDescription,
+} = require("../../../tests/gqltest.js");
+
+testDescription = getTestDescription("snippets", __dirname);
+
+describe(testDescription, function () {
+  const tests = [];
+  return deployAndRun(__dirname, tests);
+});