Threads

Not connectedMedium

Same container-then-publish flow as Instagram, but text-only posts are allowed.

Integration steps

In your Meta app add the use case "Access the Threads API"· Official docs
Add permissions threads_basic + threads_content_publish and set the redirect URL· Official docs
Until App Review approves threads_content_publish you can only post to your own and tester accounts· Official docs

Create a container· Official docs

POST https://graph.threads.net/v1.0/{threads-user-id}/threads
{ "media_type": "TEXT", "text": "Hello" }

Publish it· Official docs

POST https://graph.threads.net/v1.0/{threads-user-id}/threads_publish
{ "creation_id": "CONTAINER_ID" }