Guides
LinkedIn guides and free tools
What LinkedIn allows, with its own sources, and tools that run in your browser. Written by the team behind Lempile's LinkedIn API.
Guides
LinkedIn character limits
Every character limit LinkedIn publishes (posts, articles, comments, connection notes, InMail), each with its LinkedIn Help source, and a counter.
ReadLinkedIn connection and invitation limits
What LinkedIn's own help pages say about the 30,000-connection cap, invitation restrictions and how long they last, and how Lempile paces invitations.
ReadProxycurl alternatives
Proxycurl shut down on 4 July 2025 after LinkedIn sued it. What happened, the ways to replace it, and where Lempile fits and doesn't.
ReadDoes LinkedIn have an API?
Which LinkedIn APIs any developer can use, which need LinkedIn's approval or a partner program, and what unofficial APIs do instead, from LinkedIn's own docs.
ReadLinkedIn profile API
What LinkedIn's official Profile API returns and who can use it, and how to read a profile with its experience, education and skills through a member's account.
ReadLinkedIn API pricing in 2026
LinkedIn's official API is free but mostly closed, and unofficial APIs charge per connected account. What each costs in 2026, with monthly examples.
ReadLinkedIn in n8n
Build LinkedIn workflows in n8n with HTTP Request and Webhook nodes: read profiles, send invitations, catch accepted ones and approve messages in Slack.
ReadLinkedIn Sales Navigator API
Sales Navigator's API (SNAP) is for approved partners only, and LinkedIn isn't taking new ones. What it offers, and what developers use instead.
ReadLinkedIn API rate limits
LinkedIn's API limits calls per app and per member each day, resets at midnight UTC and doesn't publish the numbers. How to find yours and handle 429s.
ReadLinkedIn scrapers: what's allowed, and the alternatives
LinkedIn's User Agreement forbids scraping, and the hiQ case ended against the scraper. What the rules say, and what to use for the data you need.
ReadHow to send LinkedIn messages with an API
LinkedIn's two official messaging routes and who can use them, and how to send messages from a member's own account through an API, with code.
ReadX API pricing in 2026
X's API has been pay-per-use since 6 February 2026: what each read and post costs, what changed for follows and likes, and worked monthly examples.
ReadX (Twitter) limits in 2026
X's own limits per account: posts and replies a day, follows, DMs, the 280-character count, and what “rate limit exceeded” means in the API, with a counter.
ReadFree tools
LinkedIn post date extractor
the exact publication date of a LinkedIn post, comment or reply (or an X post), read from the id in its link, in the browser.
ReadLinkedIn text formatter
a LinkedIn post editor with bold, italic, underlined, crossed-out and monospace text and bullets, and a character count against LinkedIn's limits.
ReadLinkedIn Boolean search builder
build and check LinkedIn Boolean search strings, with AND, OR, NOT, quotes and parentheses applied in LinkedIn's own order.
ReadLinkedIn post preview
see how a LinkedIn post looks in the feed on desktop and on a phone, where it folds behind …more, and its length against the 3,000-character limit.
ReadLinkedIn headline generator
LinkedIn headlines from your job title, who you help, one proof and a few keywords, within the reported 220-character limit, plus a check of your current one.
ReadLinkedIn link preview checker
check how a link will preview on LinkedIn, with the four Open Graph tags LinkedIn requires and the card image's size against its rules.
ReadLinkedIn image sizes and resizer
every LinkedIn image size from LinkedIn's Help Center (profile photo and cover, posts, articles, Pages, groups, events) and a resizer that crops an image to one in the browser.
ReadLinkedIn summary generator
LinkedIn About section drafts in four styles from a few facts, under the 2,600-character limit, with five annotated examples and a check of yours.
ReadLinkedIn hashtags
what LinkedIn still documents about hashtags, how many to use, readable hashtags from your topics, and a check of the ones in your post.
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