Social Fetch
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Substack

List Substack post reactors

List the people who reacted to a Substack post.

Try in Playground
GET/v1/substack/posts/{post}/reactors
1credit

Headers

Get your API key
x-api-keystringheader

API key (`sfk_...`)

Parameters
1
poststringrequiredpath

A post: its numeric id (`223208969`) or its URL (`https://www.astralcodexten.com/p/...`). Post comments need the URL form.

min 1 chars · max 2000 chars

Response fields
18

Endpoint-specific response payload.

datalookupStatus
string

Whether the post was found.

one of: found, not_found

datapostId
integernullable

Numeric post id.

The people who reacted to the post.

datareactors[]id
integer

Numeric user id.

datareactors[]name
stringnullable

The person's display name.

datareactors[]photoUrl
stringnullable

The person's photo URL.

datareactors[]bestsellerTier
integernullable

The person's bestseller tier.

datareactors[]badges
objectnullable

The person's status fields, when available.

The person's primary publication.

datareactors[]primaryPublicationid
integer

Numeric publication id.

datareactors[]primaryPublicationname
stringnullable

The publication's name.

datareactors[]primaryPublicationsubdomain
stringnullable

The publication's Substack subdomain.

datatruncated
boolean

True when the list reached Substack's cap of 100 reactors, or when more than 5000 rows were present and the list was cut.

Metadata describing the request and billing outcome.

metarequestId
string

Unique request identifier for tracing this API call.

min 1 chars

metacreditsCharged
integer

Credits charged for this request.

≥ 0

metaversion
string

Public API version that served the response.

one of: v1

Code example

curl "https://api.socialfetch.dev/v1/substack/posts/223208969/reactors" \
  -H "x-api-key: YOUR_API_KEY"

Responses

Substack reactors.

Comments

Get the whole nested comment tree of a Substack post.

Restackers

List the people who restacked a Substack post.