Anthropic

Claude AI models: text generation, tool use, vision, and structured outputs

Anthropic API referenceAPI checked August 16, 2026

Signs in with: Connection fields
Runs on: Cloud or On-Prem Worker
Operations: 135
Ready-made triggers: 0

Connect Anthropic

In Neblex open Connect › Connections and click New Connection.
Search for Anthropic and give the connection a clear name.
Fill in the fields. Secret values are encrypted and never shown again.
Click Test, then Create Connection.

Field	What to enter
API keyOptionalSecret	Workspace-scoped Anthropic API key sent as x-api-key.
WIF access tokenOptionalSecret	Short-lived Workload Identity Federation token sent as Authorization: Bearer. Refresh it before expiration.

Use it in a flow

Open a flow, open the node library and search for Anthropic.
Drag it onto the canvas and choose an Operation and your connection.
Map the operation's fields from earlier steps, or click Map with Matt.
Use Test this step to see what it returns, then save.

Operations

135 operations in 14 groups. Each one is a step you can add to a flow.

Agent Memory14

Archive a memory store`BetaArchiveMemoryStore`	POST
Create a memory`BetaCreateMemory`	POST
Create a memory store`BetaCreateMemoryStore`	POST
Delete a memory`BetaDeleteMemory`	DELETE
Delete a memory store`BetaDeleteMemoryStore`	DELETE
List memories`BetaListMemories`	GET
List memory stores`BetaListMemoryStores`	GET
List memory versions`BetaListMemoryVersions`	GET
Redact a memory version`BetaRedactMemoryVersion`	POST
Retrieve a memory`BetaGetMemory`	GET
Retrieve a memory store`BetaGetMemoryStore`	GET
Retrieve a memory version`BetaGetMemoryVersion`	GET
Update a memory`BetaUpdateMemory`	POST
Update a memory store`BetaUpdateMemoryStore`	POST

Dreams5

Archive a Dream`BetaArchiveDream`	POST
Cancel a Dream`BetaCancelDream`	POST
Create a Dream`BetaCreateDream`	POST
Get a Dream`BetaGetDream`	GET
List Dreams`BetaListDreams`	GET

Files5

Delete File`deleteFile`	DELETE
Download File`downloadFile`	GET
Get File Metadata`getFile`	GET
List Files`listFiles`	GET
Upload File`uploadFile`	POST

Legacy Completions2

Create a Text Completion`complete_post`	POST	[Legacy] Create a Text Completion.
Create a text completion stream`createTextCompletionStream`	POST	[Legacy] Create a Text Completion.

Managed Agents6

Archive Agent`BetaArchiveAgent`	POST
Create Agent`BetaCreateAgent`	POST
Get Agent`BetaGetAgent`	GET
List Agent Versions`BetaListAgentVersions`	GET
List Agents`BetaListAgents`	GET
Update Agent`BetaUpdateAgent`	POST

Managed Deployments10

Archive Deployment`BetaArchiveDeployment`	POST
Create Deployment`BetaCreateDeployment`	POST
Get Deployment`BetaGetDeployment`	GET
Get Deployment Run`BetaGetDeploymentRun`	GET
List Deployment Runs`BetaListDeploymentRuns`	GET
List Deployments`BetaListDeployments`	GET
Pause Deployment`BetaPauseDeployment`	POST
Run Deployment Now`BetaRunDeploymentNow`	POST
Unpause Deployment`BetaUnpauseDeployment`	POST
Update Deployment`BetaUpdateDeployment`	POST

Managed Environments14

Acknowledge Work`beta_acknowledge_work_v1_environments__environment_id__work__work_id__ack_post`	POST	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.
Archive Environment`beta_archive_environment_v1_environments__environment_id__archive_post`	POST	Archive an environment by ID.
Create Environment`beta_create_environment_v1_environments_post`	POST	Create a new environment with the specified configuration.
Delete Environment`beta_delete_environment_v1_environments__environment_id__delete`	DELETE	Delete an environment by ID.
Get Environment`beta_get_environment_v1_environments__environment_id__get`	GET	Retrieve a specific environment by ID.
Get Queue Statistics`beta_get_environment_stats_v1_environments__environment_id__work_stats_get`	GET	Get statistics about the work queue for an environment.
Get Work Item`beta_get_work_v1_environments__environment_id__work__work_id__get`	GET	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.
List Environments`beta_list_environments_v1_environments_get`	GET	List environments with pagination support.
List Work Items`beta_list_work_v1_environments__environment_id__work_get`	GET	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.
Poll for Work`beta_poll_work_v1_environments__environment_id__work_poll_get`	GET	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.
Record Heartbeat`beta_record_heartbeat_v1_environments__environment_id__work__work_id__heartbeat_post`	POST	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.
Stop Work`beta_stop_work_v1_environments__environment_id__work__work_id__stop_post`	POST	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.
Update Environment`beta_update_environment_v1_environments__environment_id__post`	POST	Update an existing environment's configuration.
Update Work Item`beta_update_work_v1_environments__environment_id__work__work_id__post`	POST	Note: these endpoints are called automatically by the pre-built environment worker provided in the SDKs and CLI, for orchestrating sessions with self-hosted sandbox environments.

Managed Sessions19

Add Session Resource`BetaAddResource`	POST
Archive Session`BetaArchiveSession`	POST
Archive Session Thread`BetaArchiveSessionThread`	POST
Create Session`BetaCreateSession`	POST
Delete Session`BetaDeleteSession`	DELETE
Delete Session Resource`BetaDeleteResource`	DELETE
Get Session`BetaGetSession`	GET
Get Session Resource`BetaGetResource`	GET
Get Session Thread`BetaGetSessionThread`	GET
List Events`BetaListEvents`	GET
List Session Resources`BetaListResources`	GET
List Session Thread Events`BetaListSessionThreadEvents`	GET
List Session Threads`BetaListSessionThreads`	GET
List Sessions`BetaListSessions`	GET
Send Events`BetaSendEvents`	POST
Stream Events`BetaStreamSessionEvents`	GET
Stream Session Thread Events`BetaStreamSessionThreadEvents`	GET
Update Session`BetaUpdateSession`	POST
Update Session Resource`BetaUpdateResource`	POST

Managed Vaults13

Archive Credential`BetaArchiveCredential`	POST
Archive Vault`BetaArchiveVault`	POST
Create Credential`BetaCreateCredential`	POST
Create Vault`BetaCreateVault`	POST
Delete Credential`BetaDeleteCredential`	DELETE
Delete Vault`BetaDeleteVault`	DELETE
Get Credential`BetaGetCredential`	GET
Get Vault`BetaGetVault`	GET
List Credentials`BetaListCredentials`	GET
List Vaults`BetaListVaults`	GET
Update Credential`BetaUpdateCredential`	POST
Update Vault`BetaUpdateVault`	POST
Validate Credential`BetaValidateCredential`	POST

MCP Tunnels10

Archive Tunnel`BetaArchiveTunnel`	POST
Archive Tunnel Certificate`BetaArchiveTunnelCertificate`	POST
Create Tunnel`BetaCreateTunnel`	POST
Create Tunnel Certificate`BetaCreateTunnelCertificate`	POST
Get Tunnel`BetaGetTunnel`	GET
Get Tunnel Certificate`BetaGetTunnelCertificate`	GET
List Tunnel Certificates`BetaListTunnelCertificates`	GET
List Tunnels`BetaListTunnels`	GET
Reveal Tunnel Token`BetaRevealTunnelToken`	POST
Rotate Tunnel Token`BetaRotateTunnelToken`	POST

Messages19

Cancel a Message Batch`beta_message_batches_cancel`	POST	Batches may be canceled any time before processing ends.
Cancel a Message Batch`cancelBatch`	POST	Batches may be canceled any time before processing ends.
Count tokens in a Message`beta_messages_count_tokens_post`	POST	Count the number of tokens in a Message.
Count tokens in a Message`countTokens`	POST	Count the number of tokens in a Message.
Create a beta message stream`betaMessageStream`	POST	Send a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation.
Create a Message`beta_messages_post`	POST	Send a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation.
Create a message`createMessage`	POST	Compatibility single-message form of the Anthropic Messages API.
Create a Message`createMessageFull`	POST	Send a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation.
Create a Message Batch`beta_message_batches_post`	POST	Send a batch of Message creation requests.
Create a Message Batch`createBatch`	POST	Send a batch of Message creation requests.
Create a message stream`createMessageStream`	POST	Send a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation.
Delete a Message Batch`beta_message_batches_delete`	DELETE	Delete a Message Batch.
Delete a Message Batch`deleteBatch`	DELETE	Delete a Message Batch.
List Message Batches`beta_message_batches_list`	GET	List all Message Batches within a Workspace.
List Message Batches`listBatches`	GET	List all Message Batches within a Workspace.
Retrieve a Message Batch`beta_message_batches_retrieve`	GET	This endpoint is idempotent and can be used to poll for Message Batch completion.
Retrieve a Message Batch`getBatch`	GET	This endpoint is idempotent and can be used to poll for Message Batch completion.
Retrieve Message Batch results`beta_message_batches_results`	GET	Streams the results of a Message Batch as a .jsonl file.
Retrieve Message Batch results`getBatchResults`	GET	Streams the results of a Message Batch as a .jsonl file.

Models4

Get a Model`beta_models_get`	GET	Get a specific model.
Get a Model`getModel`	GET	Get a specific model.
List Models`beta_models_list`	GET	List available models.
List Models`listModels`	GET	List available models.

Skills9

Create Skill`beta_create_skill_v1_skills_post`	POST
Create Skill Version`beta_create_skill_version_v1_skills__skill_id__versions_post`	POST
Delete Skill`beta_delete_skill_v1_skills__skill_id__delete`	DELETE
Delete Skill Version`beta_delete_skill_version_v1_skills__skill_id__versions__version__delete`	DELETE
Download Skill Version Content`beta_download_skill_version_content_v1_skills__skill_id__versions__version__content_get`	GET	Download a skill version's content as a zip archive.
Get Skill`beta_get_skill_v1_skills__skill_id__get`	GET
Get Skill Version`beta_get_skill_version_v1_skills__skill_id__versions__version__get`	GET
List Skill Versions`beta_list_skill_versions_v1_skills__skill_id__versions_get`	GET
List Skills`beta_list_skills_v1_skills_get`	GET

User Profiles5

Create Enrollment URL`BetaCreateEnrollmentUrl`	POST
Create User Profile`BetaCreateUserProfile`	POST
Get User Profile`BetaGetUserProfile`	GET
List User Profiles`BetaListUserProfiles`	GET
Update User Profile`BetaUpdateUserProfile`	POST