Mastodon API alternatives

19 tools we tested head to head against Mastodon API, ranked — and what each one actually does differently.

last reviewed 23 jul 2026 · from our best 20 social media api providers ·list curated by Onur Ozcanx in

first — what you'd be leaving

Mastodon API ranks #13 of 20 in our social media api providers testing. free and open, with per-instance variation to handle.

64/100

free, open, no approval, and an api that has barely broken in years — as long as your integration expects every instance to behave slightly differently.

why people look for an alternative

−per-instance limit variation must be handled in code
−no single api host — per-instance oauth apps
−small audience and instance admins can defederate you

stay with Mastodon API if free with no approval process at all is the thing you care about most — nothing below beats it on that.

the short version

best alternativeZernioproducts connecting many social accounts, where per-profile pricing would kill margins90/100

Zernio

#1 in social media api providers · formerly Late — graduated per-account pricing that beats everyone at scale

90/100

verdictthe best price-to-capability ratio in the category by a wide margin, with a real free tier and webhooks included from the start.

Zernio vs Mastodon API

	Mastodon API	Zernio
price	free	free for 2 accounts, then $6 / $3 / $1 per account per month
free tier	yes	yes
type	first-party platform, federated	unified aggregator
access	fully open — no review	open, self-serve
pricing model	free	per connected account, graduated
ai agent support	community libraries; no official mcp	mcp server marketed; verify scope
rate limit	300 req / 5 min (instance-configurable)	not publicly documented

switch forproducts connecting many social accounts, where per-profile pricing would kill margins

pros

+graduated pricing is 10–25× cheaper than per-profile rivals at scale
+genuine free tier with webhooks included
+unlimited posts, analytics, messaging and ads at every tier
+sdk rename was backwards-compatible with a six-month grace period

cons

−young company with a recent rebrand — dependency risk
−x/twitter costs passed through, not absorbed
−platform count is stated inconsistently across its own marketing

visit Zernio →full Zernio review →

Buffer API

#2 in social media api providers · a free-tier api and an official mcp server, from a company that will still exist next year

88/100

verdicta decade-old company shipping a genuinely open api with an official mcp server — the best reliability-per-dollar here, if you can live with the monthly ceiling.

Buffer API vs Mastodon API

	Mastodon API	Buffer API
price	free	free — api access is available on the free plan
free tier	yes	yes
type	first-party platform, federated	unified aggregator
access	fully open — no review	open, self-serve, free tier
pricing model	free	plan tier with rolling caps
ai agent support	community libraries; no official mcp	official mcp + cli
rate limit	300 req / 5 min (instance-configurable)	100/15min, 250–500/day, 3k–15k/30d

switch forthe best risk-adjusted starting point for anything you intend to keep running

pros

+api and mcp server available on the free plan
+best rate-limit ergonomics here — named window plus retry-after
+mature, stable company with a decade of track record
+buffer carries the platform oauth and approval burden

cons

−30-day rolling caps are low for multi-tenant products
−publishing-focused; analytics thinner than rivals
−higher limits require emailing support

visit Buffer API →full Buffer API review →

Ayrshare

#3 in social media api providers · the broadest surface area, at a price most indie developers can't justify

86/100

verdictthe most complete api in the category — publishing, analytics, comments, dms and ads across thirteen networks — priced squarely at companies rather than individuals.

Ayrshare vs Mastodon API

	Mastodon API	Ayrshare
price	free	$149 / month for a single profile
free tier	yes	no
type	first-party platform, federated	unified aggregator
access	fully open — no review	open, self-serve
pricing model	free	per profile, tiered
ai agent support	community libraries; no official mcp	two mcp servers + sdks
rate limit	300 req / 5 min (instance-configurable)	300 req / 5 min per profile

switch forfunded products that need publishing, analytics, comments and dms in one api

pros

+widest capability surface — publishing, analytics, comments, dms, ads
+handles per-user oauth so you don't register platform apps
+two mcp servers, including one for documentation
+documented rate limits and an explicit suspension policy

cons

−$149/month for one profile is steep for indie developers
−per-profile pricing punishes multi-tenant products
−messaging and ads coverage is narrower than the marketing suggests

visit Ayrshare →full Ayrshare review →

Postiz

#4 in social media api providers · open source, self-hostable, api on the cheapest tier

84/100

verdictthe best open-source option, and one of very few that puts the api and webhooks on the entry tier rather than behind an enterprise plan.

Postiz vs Mastodon API

	Mastodon API	Postiz
price	free	$29 / month cloud, or free self-hosted
free tier	yes	yes
type	first-party platform, federated	unified aggregator, open source
access	fully open — no review	open; self-host or cloud
pricing model	free	channel-count tiers, or free self-hosted
ai agent support	community libraries; no official mcp	official mcp + node sdk
rate limit	300 req / 5 min (instance-configurable)	not publicly documented

switch forteams who want no vendor lock-in and are willing to run it themselves

pros

+api and webhooks on the $29 entry tier
+fully self-hostable with no vendor lock-in
+official mcp server, node sdk and n8n node
+very active development

cons

−agpl is a genuine constraint for commercial embedding
−self-hosting means you own every platform approval yourself
−cloud channel caps are low relative to rivals

visit Postiz →full Postiz review →

Blotato

#5 in social media api providers · flat pricing regardless of account count, with a hosted mcp

82/100

verdictflat monthly pricing whatever your account count, plus a working hosted mcp server — held back by being an ai content product with an api rather than an api company.

Blotato vs Mastodon API

	Mastodon API	Blotato
price	free	$29 / month
free tier	yes	yes
type	first-party platform, federated	unified aggregator + ai content
access	fully open — no review	open, self-serve
pricing model	free	flat tier, unlimited accounts
ai agent support	community libraries; no official mcp	hosted mcp + n8n/make nodes
rate limit	300 req / 5 min (instance-configurable)	30 req/min upload and publish

switch forn8n and make workflows, and anyone burned by per-account pricing

pros

+flat pricing regardless of connected account count
+hosted mcp server working with claude and cursor
+official n8n and make nodes, actively recommended
+documented 30 req/min limits

cons

−pricing table contradicts its own api docs on access
−generation credits complicate cost modelling
−content product first, api second — thinner docs

visit Blotato →full Blotato review →

Bluesky / AT Protocol

#6 in social media api providers · the only major network with zero access friction

80/100

verdictfree, open, generously rate-limited and with an open firehose — the best platform in existence for developers, attached to the smallest audience.

Bluesky / AT Protocol vs Mastodon API

	Mastodon API	Bluesky / AT Protocol
price	free	free — no approval, no review, no partner programme
free tier	yes	yes
type	first-party platform, federated	first-party platform, open protocol
access	fully open — no review	fully open — no review
pricing model	free	free
ai agent support	community libraries; no official mcp	official sdks; community mcp
rate limit	300 req / 5 min (instance-configurable)	5,000 points/hr, 35,000/day

switch foragent builders who want to ship today instead of waiting on approvals

pros

+no approval process of any kind — start immediately
+open firehose for real-time whole-network access
+generous point-based limits: ~1,600 creates/hour
+official typescript and go sdks, self-hostable pds

cons

−much smaller audience than the closed networks
−minimal built-in analytics
−no official mcp server, though community ones exist

visit Bluesky / AT Protocol →full Bluesky / AT Protocol review →

Postproxy

#7 in social media api providers · api, sdks and webhooks on the free tier

78/100

verdictthe strongest newcomer — unusually complete engagement coverage including dms and review management, with the api genuinely available on the free tier.

Postproxy vs Mastodon API

	Mastodon API	Postproxy
price	free	free (10 posts/month), then $17 / month
free tier	yes	yes
type	first-party platform, federated	unified aggregator
access	fully open — no review	open, self-serve, free tier
pricing model	free	profile-group tiers
ai agent support	community libraries; no official mcp	mcp + sdks + webhooks
rate limit	300 req / 5 min (instance-configurable)	not publicly documented

switch forevaluating an integration properly before paying for anything

pros

+api, sdks and webhooks on the free tier
+dm and comment read-and-reply, plus review management
+clear tier pricing from $17 to $699
+mcp, n8n and zapier support

cons

−early-stage company — higher dependency risk
−smaller platform list than the incumbents
−limited public track record

visit Postproxy →full Postproxy review →

Mixpost

#8 in social media api providers · a one-time licence instead of a subscription

76/100

verdictthe best total cost of ownership here — $299 once against $599 a month elsewhere — in exchange for owning the hosting and every platform approval yourself.

Mixpost vs Mastodon API

	Mastodon API	Mixpost
price	free	$299 once (pro), or free self-hosted lite
free tier	yes	yes
type	first-party platform, federated	self-hosted aggregator
access	fully open — no review	open; you self-host
pricing model	free	one-time perpetual licence
ai agent support	community libraries; no official mcp	mcp server on pro and above
rate limit	300 req / 5 min (instance-configurable)	your own infrastructure

switch forlong-lived products where a monthly subscription compounds badly

pros

+one-time $299 licence rather than a subscription
+unlimited accounts and team members
+rest api and mcp server included on paid tiers
+enterprise tier is a white-label resale kit

cons

−free tier's three networks make evaluation hard
−you own hosting, upgrades and every platform approval
−no managed option at all

visit Mixpost →full Mixpost review →

bundle.social

#9 in social media api providers · unlimited accounts and users, no per-seat fee

74/100

verdictunlimited connected accounts and unlimited users on paid plans — the right shape for a product whose customers bring their own profiles.

bundle.social vs Mastodon API

	Mastodon API	bundle.social
price	free	free (20 posts/month), then $100 / month
free tier	yes	yes
type	first-party platform, federated	unified aggregator
access	fully open — no review	open, self-serve, free tier
pricing model	free	flat tier, volume-capped
ai agent support	community libraries; no official mcp	api-first; mcp not documented
rate limit	300 req / 5 min (instance-configurable)	post and comment volume caps

switch formulti-tenant saas where each customer connects their own accounts

pros

+unlimited connected accounts and users on paid plans
+no per-seat or per-account fees
+api access on the free tier
+covers discord, slack and mastodon alongside the majors

cons

−post and comment volume caps replace account caps
−x costs are extra and prepaid
−smaller company with a limited public track record

visit bundle.social →full bundle.social review →

X API

#10 in social media api providers · pay-per-usage, no approval — and a $0.20 tax on any post with a link

71/100

verdictx replaced its subscription tiers with credits and removed the approval gate entirely — then made any post containing a link cost thirteen times a normal one.

X API vs Mastodon API

	Mastodon API	X API
price	free	$0.015 per post; $0.200 per post containing a url
free tier	yes	no
type	first-party platform, federated	first-party platform
access	fully open — no review	open — priced, not gated
pricing model	free	prepaid credits, per request
ai agent support	community libraries; no official mcp	official mcp; no post-create tool
rate limit	300 req / 5 min (instance-configurable)	2M post reads / billing cycle

switch forproducts that must be on x, once they have modelled the link cost

pros

+no approval gate and no minimum spend
+24-hour deduplication window on repeated reads
+official mcp servers for search, bookmarks and articles
+usable at genuinely small scale

cons

−$0.20 per post containing a link — 13× a normal post
−the mcp cannot post regular tweets
−third pricing regime since 2023; unpredictable bills

visit X API →full X API review →

+ 9 more tested, not detailed here

we ranked 20 social media api providers in total. the 9 that didn't make this page are written up in the full ranking →

how these were compared

every tool on this page went through the same test as Mastodon API — same tasks, same order, scored the same way. the comparison tables are the figures from that testing, not vendor spec sheets.

the social media api providers test in full →

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