letmepost.dev
Apache-2.0 social publishing API: one POST to eight platforms with 80 local preflight rules, idempotent writes and a native MCP server
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letmepost.devAbout letmepost.dev
letmepost.dev is an Apache-2.0 social publishing API aimed at developers and AI agents who need one POST to fan a post out to eight platforms — X, LinkedIn, Bluesky, Instagram, Facebook Pages, Threads, Pinterest and TikTok — and get back a structured outcome per destination rather than a single ambiguous boolean. The value it claims is the integration tax it already paid: Meta App Review absorbed once across Instagram, Facebook and Threads as the app of record, LinkedIn's Marketing Developer Platform review submitted and version-pinned with its six-week sunset cycle monitored, and eighty preflight rules covering character counts, media formats, audit states and URN patterns. Those rules run locally before any platform sees the request, so a request that would break a platform's constraints is rejected with the exact rule that fired, the pinned platform version and a documentation link, instead of an empty 500. Every write accepts an Idempotency-Key and returns the cached response for twenty-four hours, so a flaky network never becomes a double post. Scheduling, cancellation and webhook events are built in, and a native MCP server plus a CLI make it directly usable by an agent. The pricing shape is a deliberate rejection of the category norm: flat per organisation, metered only on posts published, with unlimited connected profiles and team members, because per-channel and per-profile billing is the thing it is replacing. The hosted image is the same one you can self-host.
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