API breaking changes in April 2027
42 changes take effect this month.
April 2027 42
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OpenAI
gpt-5.1Model retirement Stops workingin 146 days -
OpenAI
gpt-5.1-2025-11-13Model retirement Stops workingin 146 days -
OpenAI
gpt-5.3-codexModel retirement Stops workingin 146 days -
OpenAI
gpt-5.4-nanoModel retirement Stops workingin 146 days -
OpenAI
gpt-5.4-nano-2026-03-17Model retirement Stops workingin 146 days -
Lovable AI Gateway
openai/gpt-5.4-nanoModel retirement Redirectsin 146 days -
Vertex AI
text-embedding-004Model retirement Stops workingin 146 days -
Vertex AI
text-embedding-005Model retirement Stops workingin 146 days -
Vertex AI
text-multilingual-embedding-002Model retirement Stops workingin 146 days -
Azure AI Foundry
claude-mythos-previewModel retirement Stops workingin 147 days -
Cloudflare API
GET /radar/http/top/browserEndpoint removal Stops workingin 147 days -
Opsgenie API
api.opsgenie.com stops working
Stops workingin 150 days
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Azure AI Foundry
claude-opus-4-7Model retirement Stops workingin 151 days -
Kakao API
GET /v1/user/shipping_addressesVersion retirement Stops workingin 151 days -
Azure AI Foundry
gpt-audio-miniModel retirement Stops workingin 151 days -
Azure AI Foundry
grok-4-20-non-reasoningModel retirement Stops workingin 151 days -
Azure AI Foundry
grok-4-20-reasoningModel retirement Stops workingin 151 days -
Azure AI Foundry
gpt-5-proModel retirement Stops workingin 152 days -
Azure AI Foundry
gpt-image-1-miniModel retirement Stops workingin 152 days -
Amazon Bedrock
anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
apac.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
au.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
ca.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
eu.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
global.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
jp.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
us-gov.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Amazon Bedrock
us.anthropic.claude-sonnet-4-5-20250929-v1:0Model retirement Stops workingin 153 days -
Azure AI Foundry
gpt-4.1Model retirement Stops workingin 159 days -
Azure AI Foundry
gpt-4.1-miniModel retirement Stops workingin 159 days -
Azure AI Foundry
gpt-4.1-nanoModel retirement Stops workingin 159 days -
Azure AI Foundry
gpt-4o-miniModel retirement Stops workingin 159 days -
Azure AI Foundry
gpt-4o-transcribe-diarizeModel retirement Stops workingin 160 days -
Azure AI Foundry
kimi-k2.6Model retirement Stops workingin 161 days -
Azure AI Foundry
kimi-k2.7-codeModel retirement Stops workingin 161 days -
Shopify Admin API
/admin/api/2026-04/*Version retirement Redirectsin 161 days -
Zendesk API
/api/v2/*Behaviour change Stops workingin 175 days -
Mistral
mistral-large-2512Model retirement Stops workingin 175 days -
Mistral
mistral-medium-3-5Model retirement Stops workingin 175 days -
Mistral
voxtral-mini-2602Model retirement Stops workingin 175 days -
Mistral
voxtral-mini-transcribe-realtime-2602Model retirement Stops workingin 175 days -
Mistral
voxtral-mini-tts-2603Model retirement Stops workingin 175 days
Know before your API calls break.
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