{"type":"post","id":"anthropic-has-increased-the-maximum-request-size-for-593657","slug":"anthropic-has-increased-the-maximum-request-size-for-593657","title":"Anthropic has increased the maximum request size for the Claude API’s Messages and Token Counting APIs from","description":"Anthropic has increased the maximum request size for the Claude API’s Messages and Token Counting APIs from 32 MB to 128 MB.","retrieval_nugget":"Anthropic has increased the maximum request size for the Claude API’s Messages and Token Counting APIs from 32 MB to 128 MB. The change matters to teams that send large PDFs, image-heavy prompts, or accumulated agent state directly to Claude: a payload can now be four times larger before request-body size becomes the constraint.","published_at":"2026-10-30","updated_at":"2026-10-30","record_date":"2026-10-30","date_kind":"published_at","topics":["claude","anthropic"],"entities":["Anthropic","Claude API","Messages API","Token Counting API"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"Anthropic raised the Claude Messages and Token Counting API request-size limit from 32MB to 128MB.","prior_refs":["memory:824fd44c-be2b-8e48-a415-313399eeb3e8"],"source_url":"https://platform.claude.com/docs/en/api/overview","source_urls":["https://platform.claude.com/docs/en/api/overview"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:anthropic-has-increased-the-maximum-request-size-for-593657","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/anthropic-has-increased-the-maximum-request-size-for-593657/","markdown":"https://newruntime.com/posts/anthropic-has-increased-the-maximum-request-size-for-593657.md","json":"https://newruntime.com/posts/anthropic-has-increased-the-maximum-request-size-for-593657.json"},"next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}