Anthropic API Fast Mode

Anthropic API + fast-mode

API version: 253

Auth

ApiKey x-api-key in header

Base URL

https://api.anthropic.com

Setup

1. Set your API key in the appropriate header
2. GET /v1/models -- verify access
3. POST /v1/messages -- create first messages

Endpoints

47 endpoints across 9 groups. See references/api-spec.lap for full details.

messages

complete

models

files

skills

messages?beta=true

models?beta=true

files?beta=true

skills?beta=true

Common Questions

Match user requests to endpoints in references/api-spec.lap. Key patterns:

• "Create a message?" -> POST /v1/messages
• "Create a complete?" -> POST /v1/complete
• "List all models?" -> GET /v1/models
• "Get model details?" -> GET /v1/models/{model_id}
• "Create a batche?" -> POST /v1/messages/batches
• "List all batches?" -> GET /v1/messages/batches
• "Get batche details?" -> GET /v1/messages/batches/{message_batch_id}
• "Delete a batche?" -> DELETE /v1/messages/batches/{message_batch_id}
• "Create a cancel?" -> POST /v1/messages/batches/{message_batch_id}/cancel
• "List all results?" -> GET /v1/messages/batches/{message_batch_id}/results
• "Create a count_token?" -> POST /v1/messages/count_tokens
• "Create a file?" -> POST /v1/files
• "List all files?" -> GET /v1/files
• "Get file details?" -> GET /v1/files/{file_id}
• "Delete a file?" -> DELETE /v1/files/{file_id}
• "List all content?" -> GET /v1/files/{file_id}/content
• "Create a skill?" -> POST /v1/skills
• "List all skills?" -> GET /v1/skills
• "Get skill details?" -> GET /v1/skills/{skill_id}
• "Delete a skill?" -> DELETE /v1/skills/{skill_id}
• "Create a version?" -> POST /v1/skills/{skill_id}/versions
• "List all versions?" -> GET /v1/skills/{skill_id}/versions
• "Get version details?" -> GET /v1/skills/{skill_id}/versions/{version}
• "Delete a version?" -> DELETE /v1/skills/{skill_id}/versions/{version}
• "Create a messages?beta=true?" -> POST /v1/messages?beta=true
• "List all models?beta=true?" -> GET /v1/models?beta=true
• "Get model details?" -> GET /v1/models/{model_id}?beta=true
• "Create a batches?beta=true?" -> POST /v1/messages/batches?beta=true
• "List all batches?beta=true?" -> GET /v1/messages/batches?beta=true
• "Get batche details?" -> GET /v1/messages/batches/{message_batch_id}?beta=true
• "Delete a batche?" -> DELETE /v1/messages/batches/{message_batch_id}?beta=true
• "Create a cancel?beta=true?" -> POST /v1/messages/batches/{message_batch_id}/cancel?beta=true
• "List all results?beta=true?" -> GET /v1/messages/batches/{message_batch_id}/results?beta=true
• "Create a count_tokens?beta=true?" -> POST /v1/messages/count_tokens?beta=true
• "Create a files?beta=true?" -> POST /v1/files?beta=true
• "List all files?beta=true?" -> GET /v1/files?beta=true
• "Get file details?" -> GET /v1/files/{file_id}?beta=true
• "Delete a file?" -> DELETE /v1/files/{file_id}?beta=true
• "List all content?beta=true?" -> GET /v1/files/{file_id}/content?beta=true
• "Create a skills?beta=true?" -> POST /v1/skills?beta=true
• "List all skills?beta=true?" -> GET /v1/skills?beta=true
• "Get skill details?" -> GET /v1/skills/{skill_id}?beta=true
• "Delete a skill?" -> DELETE /v1/skills/{skill_id}?beta=true
• "Create a versions?beta=true?" -> POST /v1/skills/{skill_id}/versions?beta=true
• "List all versions?beta=true?" -> GET /v1/skills/{skill_id}/versions?beta=true
• "Get version details?" -> GET /v1/skills/{skill_id}/versions/{version}?beta=true
• "Delete a version?" -> DELETE /v1/skills/{skill_id}/versions/{version}?beta=true
• "How to authenticate?" -> See Auth section

Response Tips

• Check response schemas in references/api-spec.lap for field details
• List endpoints may support pagination; check for limit, offset, or cursor params
• Create/update endpoints typically return the created/updated object

References

• Full spec: See references/api-spec.lap for complete endpoint details, parameter tables, and response schemas

Generated from the official API spec by LAP