SSL Certificate Checker

net

Issuer, validity dates and days remaining on a site's TLS certificate.

POST /api/v1/ssl-check

API version: v1
Output schema: 1
cache: 600s

The endpoint path is always /v1. The schema number below tracks this tool's output shape and changes independently.

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Network tool — this endpoint makes an outbound request.

Parameters

Parameter	Type	Required	Default
domain	text	yes	—
port	number	no	443

Request

curl -X POST https://sinikoding.dev/api/v1/ssl-check \
  -H 'content-type: application/json' \
  -H 'x-api-key: tk_live_…' \
  -d '{"domain":"…","port":443}'

Returns

"output": { "kind": "table", "columns": ["…"], "rows": [["…"]] }

Try it

domainport

Calls a same-origin sandbox endpoint, not /api/v1. No key needed, capped at 15 requests a minute.

Request

curl -X POST https://sinikoding.dev/api/v1/ssl-check \
  -H 'content-type: application/json' \
  -H 'x-api-key: tk_live_…' \
  -d '{"domain":"","port":"443"}'

Response

Send a request to see the response.

Open the web version →