Pricing

$1.00 / 1,000 post scrapeds

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Substack Newsletter Archive Scraper — public post metadata, no

Try for free

Collect the public post archive of any Substack newsletter (title, subtitle, publish date, URL, author, word count, restack count, paywall flag) via Substack's own public archive endpoint. No login, no proxies. Only metadata is returned — body text is never sent to unauthenticated requests.

Pricing

$1.00 / 1,000 post scrapeds

Rating

0.0

(0)

Developer

Backyard Tools

Actor stats

Bookmarked

Total users

Monthly active users

5 days ago

Last modified

Tested (2026-09-02)

Newsletter	Result
`astralcodexten`	200, real posts returned, offset paging confirmed (different posts at offset=2)
`garymarcus`	200, real posts returned
`robertreich`	200, real posts returned
nonexistent subdomain	404 — 0 items, no charge

Important: unauthenticated requests never receive article body text — body_html / body_json / truncated_body_text all come back null regardless of the post's paywall status. This actor only ever collects the metadata Substack already serves to a logged-out visitor: title, subtitle, date, author byline, word count, and engagement counts.

Substack API — input

{
  "targets": ["astralcodexten", "garymarcus"],
  "maxItems": 500
}

Each target is the newsletter's *.substack.com subdomain (the part before .substack.com, even if the publication now serves readers from a custom domain). A subdomain with no archive returns 0 items.

Substack API — output fields

One dataset item per post:

Field
`post_id`	Substack's internal post ID
`title` / `subtitle`	post headline and dek
`post_date`	ISO 8601 publish timestamp
`canonical_url`	public URL of the post
`post_type`	`newsletter` / `podcast` / `thread`
`audience`	`everyone` (free to read) or a paid-gate value
`wordcount`	word count Substack itself reports
`restacks`	restack (share) count at collection time
`language`	ISO language code
`author_name` / `author_handle`	the writer's public byline name and handle — the name they publish under, not private personal data

No reader data of any kind. No article body text (Substack doesn't send it to logged-out requests in the first place).

Use Cases

Competitor cadence tracking — monitor how often a newsletter publishes, its mix of post_type (newsletter / podcast / thread), and its free-vs-paid audience ratio over time
Pitch research — pull a newsletter's post history (title, date, wordcount) before pitching a guest post or a similar publication in the same niche
Engagement benchmarking — compare restacks across a newsletter's posts to see which topics or formats get shared the most

Pricing

Pay per event: $1.00 per 1,000 posts collected. Nothing else.

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