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Anthropic API Errors Persist for Claude Opus 4.8 Users

Users reported persistent API errors with Anthropic's Claude models, specifically impacting Opus 4.8, on June 30, 2026. These issues began around 8 AM ET and continued into the afternoon, with some users experiencing intermittent success by switching models or compacting conversation history. The errors, characterized by connection resets, affected users' ability to reliably access the API for extended periods. AI

IMPACT Disruptions in API access can hinder development and deployment of AI-powered applications relying on Anthropic's models.

RANK_REASON User-reported issues with API access for a specific model version.

Read on r/Anthropic →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Anthropic API Errors Persist for Claude Opus 4.8 Users

COVERAGE [1]

  1. r/Anthropic TIER_1 English(EN) · /u/plincodog ·

    Persistent API Errors today (2026-06-30)

    <!-- SC_OFF --><div class="md"><p>Was experiencing API errors this morning before the outage, felt justified by the outage (<a href="https://status.claude.com/incidents/7ykkywg6yln4">https://status.claude.com/incidents/7ykkywg6yln4</a>), but am still experiencing API errors. Is a…