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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

Create Federation Issuer

api/admin/federation_issuers/create

first seen The page's own history The capture it came from

Nearest release: v2.1.245, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

api/admin/federation_issuers/create Changed · +56 / -39 lines

# Create Federation Issuer ## Headers ## Body parameters ## Returns ## Example ### Response (200) ## Create Federation Issuer ### Header Parameters ### Body Parameters ### Returns ### Example #### Response

from line 1
----
-title: Create Federation Issuer
-url: https://platform.claude.com/docs/en/api/admin/federation_issuers/create
----
+# Create Federation Issuer
 
-## Create Federation Issuer
+**POST** `/v1/organizations/federation_issuers`
 
-**post** `/v1/organizations/federation_issuers`
-
 Register an OIDC issuer that Anthropic will trust for workload identity
 federation in your organization.
 
from line 17
 Requires an OAuth bearer or Console session; Admin API keys are not
 accepted.
 
-### Header Parameters
+## Headers
 
 - `"anthropic-beta": optional array of string`
 
from line 25
 
   To use multiple betas, use a comma separated list like `beta1,beta2` or specify the header multiple times for each beta.
 
-### Body Parameters
+## Body parameters
 
 - `issuer_url: string`
 
   The `iss` claim value to match against.
 
+  minLength: 1
+
 - `name: string`
 
   Slug identifier (lowercase, digits, hyphens). Unique within the organization; a duplicate name returns 409.
 
+  maxLength: 255, minLength: 1
+
 - `check_jti: optional boolean or null`
 
   Whether the jwt-bearer exchange enforces JTI single-use (replay protection) for tokens from this issuer. Defaults to true. Applies only to assertions carrying a `jti` claim; tokens without one are accepted without single-use enforcement.
 
-- `jwks: optional object { type, ca_cert_pem, discovery_base }  or object { type, url, ca_cert_pem }  or object { keys, type }`
+- `jwks: optional object or object or object`
 
   How signing keys are obtained. Defaults to OIDC discovery.
 
-  - `Discovery object { type, ca_cert_pem, discovery_base }`
+  - `Discovery object`
 
     JWKS via the issuer's OIDC discovery document.
 
     - `type: "discovery"`
 
-      - `"discovery"`
-
     - `ca_cert_pem: optional string or null`
 
       Optional custom CA (PEM) for TLS verification of the JWKS fetch.
 
+      maxLength: 8192
+
     - `discovery_base: optional string or null`
 
       Set when the discovery URL differs from `issuer_url`.
 
-  - `ExplicitURL object { type, url, ca_cert_pem }`
+  - `ExplicitURL object`
 
     JWKS fetched from a fixed endpoint.
 
     - `type: "explicit_url"`
 
-      - `"explicit_url"`
-
     - `url: string`
 
       JWKS endpoint.
 
+      minLength: 1
+
     - `ca_cert_pem: optional string or null`
 
       Optional custom CA (PEM) for TLS verification of the JWKS fetch.
 
-  - `Inline object { keys, type }`
+      maxLength: 8192
 
+  - `Inline object`
+
     JWKS supplied directly; no network fetch.
 
     - `keys: array of map[unknown]`
from line 89
 
       Inline JWK objects.
 
+      minItems: 1
+
     - `type: "inline"`
 
-      - `"inline"`
-
 - `max_jwt_lifetime_seconds: optional number or null`
 
   Maximum allowed iat→exp spread for assertions from this issuer (1-176400 seconds, i.e. up to 49h). Defaults to 3600 (1h). Assertions must carry both `iat` and `exp`; a missing `iat` is rejected.
 
-### Returns
+  maximum: 176400, exclusiveMinimum: 0
 
-- `FederationIssuer object { id, archived_at, archived_by_actor_id, 12 more }`
+## Returns
 
+- `FederationIssuer object`
+
   Registered external OIDC identity provider.
 
   Records an external IdP the organization trusts for the RFC 7523
from line 116
 
     If set, all rules referencing this issuer reject token exchange.
 
+    format: date-time
+
   - `archived_by_actor_id: string or null`
 
     Tagged ID (`user_`/`svac_`) of the actor that archived this issuer.
from line 130
 
     When this issuer was created.
 
+    format: date-time
+
   - `created_by_actor_id: string or null`
 
     Tagged ID (`user_`/`svac_`) of the actor that created this issuer.
from line 140
 
     The `iss` claim value. Incoming JWTs must match exactly.
 
-  - `jwks: object { type, ca_cert_pem, discovery_base }  or object { type, url, ca_cert_pem }  or object { keys, type }`
+  - `jwks: object or object or object`
 
     How signing keys are obtained for signature verification.
 
-    - `Discovery object { type, ca_cert_pem, discovery_base }`
+    - `Discovery object`
 
       JWKS via the issuer's OIDC discovery document.
 
       - `type: "discovery"`
 
-        - `"discovery"`
-
       - `ca_cert_pem: optional string or null`
 
         Optional custom CA (PEM) for TLS verification of the JWKS fetch.
 
+        maxLength: 8192
+
       - `discovery_base: optional string or null`
 
         Set when the discovery URL differs from `issuer_url`.
 
-    - `ExplicitURL object { type, url, ca_cert_pem }`
+    - `ExplicitURL object`
 
       JWKS fetched from a fixed endpoint.
 
       - `type: "explicit_url"`
 
-        - `"explicit_url"`
-
       - `url: string`
 
         JWKS endpoint.
 
+        minLength: 1
+
       - `ca_cert_pem: optional string or null`
 
         Optional custom CA (PEM) for TLS verification of the JWKS fetch.
 
-    - `Inline object { keys, type }`
+        maxLength: 8192
 
+    - `Inline object`
+
       JWKS supplied directly; no network fetch.
 
       - `keys: array of map[unknown]`
from line 186
 
         Inline JWK objects.
 
+        minItems: 1
+
       - `type: "inline"`
 
-        - `"inline"`
-
   - `jwks_polling_disabled_at: string or null`
 
     If set, Anthropic's JWKS poller has paused polling for this issuer after repeated fetch failures. Re-enable by sending `jwks_polling_disabled: false` via the issuer update endpoint (POST) once the upstream JWKS endpoint is fixed. An OAuth caller cannot send this when the issuer backs a rule with any scope other than `workspace:developer` or `workspace:inference`; use a Console session.
 
+    format: date-time
+
   - `max_jwt_lifetime_seconds: number`
 
     Maximum allowed iat→exp spread for assertions from this issuer (1-176400 seconds, i.e. up to 49h). Assertions must carry both `iat` and `exp`; a missing `iat` is rejected.
from line 204
 
     Admin-chosen slug identifier.
 
-  - `poll_status: object { consecutive_failures, last_fetched_at, next_poll_at }  or null`
+  - `poll_status: object or null`
 
     Status of automatic JWKS polling for a federation issuer.
 
from line 220
 
       When the last successful fetch completed.
 
+      format: date-time
+
     - `next_poll_at: string or null`
 
       When the next fetch is scheduled. Null if paused.
 
+      format: date-time
+
   - `type: "federation_issuer"`
 
-    - `"federation_issuer"`
+    default: federation_issuer
 
   - `updated_at: string`
 
     When this issuer was last updated.
 
+    format: date-time
+
   - `updated_by_actor_id: string or null`
 
     Tagged ID (`user_`/`svac_`) of the actor that last updated this issuer.
 
-### Example
+## Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/organizations/federation_issuers \
     -H 'Content-Type: application/json' \
     -H 'anthropic-version: 2023-06-01' \
from line 255
         }'
 ```
 
-#### Response
+### Response (200)
 
 ```json
 {