Best Social Media & Messaging APIs in 2026
Publish, schedule and message on social networks from code. We reviewed the 8 tools that matter in this niche — comparing real pricing, features and who each is genuinely best for.
Affiliate disclosure: some links are affiliate links — we may earn a commission at no cost to you. The numbers follow the ranking rule stated with the table, and the notes reflect our editorial research, not payment.
Who this is for: Developers and AI agents posting, scheduling and messaging on social networks from code.
All 8 social media & messaging APIs at a glance
Numbered as in our ranking Posting to Social Networks From Code: 8 APIs Ranked by What 10 Accounts Cost, which measures what it costs per month, at the cheapest published price on monthly billing, to publish through one account’s API to 10 social accounts: an Instagram account and a LinkedIn account for each of 5 brands, clients or end users.
| # | Tool | What it’s for | Links |
|---|---|---|---|
| 1 | | Usage-based social media API: connected accounts and seats are free, and Pay as you go is $19 a month, billed monthly, with 3,000 posts included (one post to one account), then $0.007 per post up to 10,000; no free plan or trial. | Review Visit |
| 2 | | Flat plans sized by profiles, each one person or client with an account on each network; every plan includes the REST API, SDKs and MCP server, and the Free plan gives 2 profiles and 10 uploads a month. | Review Visit |
| 3 | | API and MCP server for AI agents on every plan at a flat monthly price; Starter allows 20 connected accounts, and publishing covers 9 platforms. | Review Visit |
| 4 | | Open-source (AGPL-3.0) scheduler with a public API, MCP server and CLI on every cloud plan, tiered by connected channels; no free plan on the cloud. | Review Visit |
| 5 | | Per-connected-account API for posting, comments, DMs, ads and messaging, with an MCP server and SDKs in 8 languages; the first 2 accounts are free with no card, ad accounts and WhatsApp numbers count as connected accounts, and messages, numbers, SMS and managed ads have meters of their own. | Review Visit |
| 6 | | Messaging, email and calendar API for LinkedIn, WhatsApp, Instagram, Telegram, Gmail and Outlook, priced per linked account; it posts to LinkedIn, Instagram and Facebook. | Review Visit |
| 7 | | Social media scheduler for 13 networks with a free plan; its REST API and MCP server come only with Business and Enterprise. | Review Visit |
| 8 | | Social media API billed per social profile, one brand or customer with accounts on many networks; its pages disagree on whether a free plan still exists, and its 28-day trial is on Launch only, with a payment method. | Review Visit |
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