Claude · Capability
Claude AI Messaging
Unified workflow for AI-powered messaging, token counting, batch processing, and model discovery. Used by AI application developers and data scientists.
What You Can Do
POST
Create message
— Create a message.
/v1/messages
POST
Count tokens
— Count message tokens.
/v1/token-counts
GET
List batches
— List message batches.
/v1/batches
POST
Create batch
— Create a message batch.
/v1/batches
GET
Get batch
— Get batch status.
/v1/batches/{id}
DELETE
Delete batch
— Delete a batch.
/v1/batches/{id}
GET
List models
— List available models.
/v1/models
GET
Get model
— Get model metadata.
/v1/models/{id}
MCP Tools
create-message
Send a message to Claude and receive a response.
count-message-tokens
Count tokens in a message.
read-only
create-message-batch
Create a batch of message requests.
list-message-batches
List all message batches.
read-only
retrieve-message-batch
Get message batch status and details.
read-only
retrieve-message-batch-results
Get completed batch results.
read-only
cancel-message-batch
Cancel an in-progress batch.
delete-message-batch
Delete a completed batch.
idempotent
list-models
List available Claude models.
read-only
get-model
Get model metadata.
read-only
APIs Used
claude-messages