: Extension and Format Registries

API: openapis.org:openapi-specification
Endpoint: /registries/
Response format: text/html
Auth: none
Method: GET
Last Status: 200
Latency: 273ms

Description

Returns information about available registries (Alternative Schema, Draft Feature, Extensions, Format, Media Type, Namespace, Tag Kinds).

From spec: Returns information about available registries (Alternative Schema, Draft Feature, Extensions, Format, Media Type, Namespace, Tag Kinds)

Usage Tips

- This endpoint appears to be unavailable (404) - May require different URL structure

Examples (4)

Get the registries landing page (HTML) probe-gate

Demonstrates accessing the Extension and Format Registries HTML landing page that lists all available registries

curl 'https://spec.openapis.org/registries/'
import requests

resp = requests.get("https://spec.openapis.org/registries/")
data = resp.json()
import zingu_apis

api = zingu_apis.api("openapis")
result = api.fetch("registries/")

for item in result:
    print(item)
const resp = await fetch("https://spec.openapis.org/registries/");
const data = await resp.json();
Get registries list as JSON via API probe-gate

Demonstrates accessing the machine-readable JSON API endpoint that lists all available registries

curl 'https://spec.openapis.org/api/registries.json'
import requests

resp = requests.get("https://spec.openapis.org/api/registries.json")
data = resp.json()
import zingu_apis

api = zingu_apis.api("openapis")
result = api.fetch("registries/")

for item in result:
    print(item)
const resp = await fetch("https://spec.openapis.org/api/registries.json");
const data = await resp.json();
Get extension registry data as JSON probe-gate

Demonstrates accessing a specific registry (extension) via the JSON API to get registered extension fields

curl 'https://spec.openapis.org/api/extension.json'
import requests

resp = requests.get("https://spec.openapis.org/api/extension.json")
data = resp.json()
import zingu_apis

api = zingu_apis.api("openapis")
result = api.fetch("registries/")

for item in result:
    print(item)
const resp = await fetch("https://spec.openapis.org/api/extension.json");
const data = await resp.json();
Get namespace registry as JSON probe-gate

Demonstrates accessing the namespace registry to get registered extension field namespaces

curl 'https://spec.openapis.org/api/namespace.json'
import requests

resp = requests.get("https://spec.openapis.org/api/namespace.json")
data = resp.json()
import zingu_apis

api = zingu_apis.api("openapis")
result = api.fetch("registries/")

for item in result:
    print(item)
const resp = await fetch("https://spec.openapis.org/api/namespace.json");
const data = await resp.json();

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-04-16 17:30:59.157605 200 273ms
2026-04-16 04:14:33.723177 200 257ms
2026-04-16 00:58:36.673983 200 204ms
2026-04-16 00:57:34.891772 200 278ms
2026-04-16 00:06:17.213199 404 208ms
2026-04-15 03:44:45.109259 404 297ms
2026-04-15 02:51:40.088116 200 290ms
2026-04-15 00:51:54.558468 200 330ms
2026-04-15 00:38:25.126617 200 292ms
2026-04-14 03:38:54.325094 200 291ms
2026-04-14 03:25:20.043177 404 428ms
2026-04-14 01:24:05.649270 200 265ms
2026-04-14 01:14:30.112980 200 217ms
2026-04-12 16:44:57.125199 200 445ms
2026-04-12 15:41:28.477085 200 286ms
2026-04-12 15:03:12.962864 200 261ms
2026-04-12 13:05:23.872132 404 200ms
2026-04-10 01:53:46.299228 200 248ms
2026-04-10 00:53:11.085220 200 178ms
2026-04-10 00:51:46.338679 200 226ms
2026-04-10 00:35:53.709991 404 76ms
2026-04-09 03:02:48.178828 404 391ms
2026-04-09 01:43:53.506154 200 317ms
2026-04-09 01:14:04.640986 200 471ms
2026-04-09 00:17:58.358524 200 300ms
2026-04-08 07:54:59.831622 404 268ms
2026-04-08 01:18:20.994579 200 269ms
2026-04-08 00:36:13.168436 200 198ms
2026-04-08 00:13:42.153539 200 263ms
2026-04-07 01:33:51.417684 200 245ms
2026-04-07 01:11:15.929449 200 435ms
2026-04-07 00:26:52.639821 404 206ms
2026-04-07 00:05:40.855220 200 400ms