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PostLake

Stop posting. Let your agents do it.·postlake.dev

PostLake provides a unified REST API and a hosted MCP server that let AI agents and applications observe, publish, engage and measure content across nine major social networks: X, LinkedIn, Instagram, TikTok, Facebook, Threads, Bluesky, YouTube and Pinterest. It normalizes every platform's response into one shape, uses idempotency keys to prevent duplicate posts, and supports dry-run validation, scheduling and human approval before anything ships. PostLake manages the underlying platform connections and developer keys, including for X, so users don't need to register a developer app on each network.

What it's for

Let an AI agent observe, draft, validate and publish social posts automaticallyFill a week's content calendar from a changelog and hold drafts for owner approvalBuild a cross-platform analytics dashboard (reach, CTR, saves, follower growth)Manage multiple clients' social accounts from a single integrationPost to multiple social networks with one API callCheck a post against each network's rules before publishing

Features 18

Agent skills installable via a single CLI command
Configurable API rate limits per profile and per workspace
Discovery tools: search posts, look up profiles, find creators
Draft posts with human approval workflow before publishing
Dry-run post validation before publishing (no credits spent)
Free post checker, character counter and image size checker tools
Hosted MCP server for Claude, Cursor, ChatGPT and other MCP clients
Idempotency keys prevent duplicate posts on retry
Inbox tools: read comments, reply to comments, direct messages
Managed platform connections (no per-network developer app setup)
Media upload API returning a reusable media ID
npm SDK package (postlake) for backend integration
Per-agent limits and API key permissions
Post scheduling with local time plus IANA timezone
Signed webhooks for publish, failure, comments, mentions and messages
Unified cross-network analytics (reach, CTR, saves, follower growth)
Unified REST API for posting across 9 social networks
Unlimited connected accounts on every plan

At a glance

free tierAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

Forindividuals, creators and freelancers, high-volume creators, companies and agencies, developers

CompanyCrumbleLake Ltd

Integrations

X (Twitter)LinkedInInstagramTikTokFacebookThreadsBlueskyYouTubePinterestClaudeCursorChatGPTLangGraphCrewAIZapierStripe

Resources

Pricing

Credits: most networks use 1 credit per successful post; X uses 6 credits for a text post and 75 credits for a post containing a link. Monthly credits refresh each cycle and don't roll over; purchased credit packs never expire. Higher-volume, dedicated-support or on-prem needs are quoted via 'Contact sales'. All prices shown in USD. Payment via major credit/debit cards through Stripe; ACH and wire available on the Business plan.

FreeFree

No card required.

20 credits/month; X requires a paid plan or credit pack

Starter$13/mo

For individuals.

2,000 credits/month

Standard$33/mo

For creators & freelancers. Marked 'Most popular'.

6,000 credits/month

Pro$85/mo

For high-volume creators.

18,000 credits/month

Business$225/mo

For companies & agencies. ACH and wire payment available on this plan.

50,000 credits/month

Save 25 percent when billed annually (exact annual price per plan not shown).