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Status: production-ready via WhatsApp Web (Baileys). Gateway owns linked session(s).

Install (on demand)

  • Onboarding (openclaw onboard) and openclaw channels add --channel whatsapp prompt to install the WhatsApp plugin the first time you select it.
  • openclaw channels login --channel whatsapp also offers the install flow when the plugin is not present yet.
  • Dev channel + git checkout: defaults to the local plugin path.
  • Stable/Beta: defaults to the npm package @openclaw/whatsapp.
Manual install stays available:
openclaw plugins install @openclaw/whatsapp

Pairing

Default DM policy is pairing for unknown senders.

Channel troubleshooting

Cross-channel diagnostics and repair playbooks.

Gateway configuration

Full channel config patterns and examples.

Quick setup

1

Configure WhatsApp access policy

{
  channels: {
    whatsapp: {
      dmPolicy: "pairing",
      allowFrom: ["+15551234567"],
      groupPolicy: "allowlist",
      groupAllowFrom: ["+15551234567"],
    },
  },
}
2

Link WhatsApp (QR)

openclaw channels login --channel whatsapp
For a specific account:
openclaw channels login --channel whatsapp --account work
To attach an existing/custom WhatsApp Web auth directory before login:
openclaw channels add --channel whatsapp --account work --auth-dir /path/to/wa-auth
openclaw channels login --channel whatsapp --account work
3

Start the gateway

openclaw gateway
4

Approve first pairing request (if using pairing mode)

openclaw pairing list whatsapp
openclaw pairing approve whatsapp <CODE>
Pairing requests expire after 1 hour. Pending requests are capped at 3 per channel.
OpenClaw recommends running WhatsApp on a separate number when possible. (The channel metadata and setup flow are optimized for that setup, but personal-number setups are also supported.)

Deployment patterns

Onboarding supports personal-number mode and writes a self-chat-friendly baseline:
  • dmPolicy: "allowlist"
  • allowFrom includes your personal number
  • selfChatMode: true
In runtime, self-chat protections key off the linked self number and allowFrom.
The messaging platform channel is WhatsApp Web-based (Baileys) in current OpenClaw channel architecture.There is no separate Twilio WhatsApp messaging channel in the built-in chat-channel registry.

Runtime model

  • Gateway owns the WhatsApp socket and reconnect loop.
  • The reconnect watchdog uses WhatsApp Web transport activity, not only inbound app-message volume, so a quiet linked-device session is not restarted solely because nobody has sent a message recently. A longer application-silence cap still forces a reconnect if transport frames keep arriving but no application messages are handled for the watchdog window.
  • Baileys socket timings are explicit under web.whatsapp.*: keepAliveIntervalMs controls WhatsApp Web application pings, connectTimeoutMs controls the opening handshake timeout, and defaultQueryTimeoutMs controls Baileys query timeouts.
  • Outbound sends require an active WhatsApp listener for the target account.
  • Status and broadcast chats are ignored (@status, @broadcast).
  • Direct chats use DM session rules (session.dmScope; default main collapses DMs to the agent main session).
  • Group sessions are isolated (agent:<agentId>:whatsapp:group:<jid>).
  • WhatsApp Web transport honors standard proxy environment variables on the gateway host (HTTPS_PROXY, HTTP_PROXY, NO_PROXY / lowercase variants). Prefer host-level proxy config over channel-specific WhatsApp proxy settings.
  • When messages.removeAckAfterReply is enabled, OpenClaw clears the WhatsApp ack reaction after a visible reply is delivered.

Plugin hooks and privacy

WhatsApp inbound messages can contain personal message content, phone numbers, group identifiers, sender names, and session correlation fields. For that reason, WhatsApp does not broadcast inbound message_received hook payloads to plugins unless you explicitly opt in:
{
  channels: {
    whatsapp: {
      pluginHooks: {
        messageReceived: true,
      },
    },
  },
}
You can scope the opt-in to one account:
{
  channels: {
    whatsapp: {
      accounts: {
        work: {
          pluginHooks: {
            messageReceived: true,
          },
        },
      },
    },
  },
}
Only enable this for plugins you trust to receive inbound WhatsApp message content and identifiers.

Access control and activation

channels.whatsapp.dmPolicy controls direct chat access:
  • pairing (default)
  • allowlist
  • open (requires allowFrom to include "*")
  • disabled
allowFrom accepts E.164-style numbers (normalized internally).Multi-account override: channels.whatsapp.accounts.<id>.dmPolicy (and allowFrom) take precedence over channel-level defaults for that account.Runtime behavior details:
  • pairings are persisted in channel allow-store and merged with configured allowFrom
  • if no allowlist is configured, the linked self number is allowed by default
  • OpenClaw never auto-pairs outbound fromMe DMs (messages you send to yourself from the linked device)

Personal-number and self-chat behavior

When the linked self number is also present in allowFrom, WhatsApp self-chat safeguards activate:
  • skip read receipts for self-chat turns
  • ignore mention-JID auto-trigger behavior that would otherwise ping yourself
  • if messages.responsePrefix is unset, self-chat replies default to [{identity.name}] or [openclaw]

Message normalization and context

Incoming WhatsApp messages are wrapped in the shared inbound envelope.If a quoted reply exists, context is appended in this form:
[Replying to <sender> id:<stanzaId>]
<quoted body or media placeholder>
[/Replying]
Reply metadata fields are also populated when available (ReplyToId, ReplyToBody, ReplyToSender, sender JID/E.164).
Media-only inbound messages are normalized with placeholders such as:
  • <media:image>
  • <media:video>
  • <media:audio>
  • <media:document>
  • <media:sticker>
Authorized group voice notes are transcribed before mention gating when the body is only <media:audio>, so saying the bot mention in the voice note can trigger the reply. If the transcript still does not mention the bot, the transcript is kept in pending group history instead of the raw placeholder.Location bodies use terse coordinate text. Location labels/comments and contact/vCard details are rendered as fenced untrusted metadata, not inline prompt text.
For groups, unprocessed messages can be buffered and injected as context when the bot is finally triggered.
  • default limit: 50
  • config: channels.whatsapp.historyLimit
  • fallback: messages.groupChat.historyLimit
  • 0 disables
Injection markers:
  • [Chat messages since your last reply - for context]
  • [Current message - respond to this]
Read receipts are enabled by default for accepted inbound WhatsApp messages.Disable globally:
{
  channels: {
    whatsapp: {
      sendReadReceipts: false,
    },
  },
}
Per-account override:
{
  channels: {
    whatsapp: {
      accounts: {
        work: {
          sendReadReceipts: false,
        },
      },
    },
  },
}
Self-chat turns skip read receipts even when globally enabled.

Delivery, chunking, and media

  • default chunk limit: channels.whatsapp.textChunkLimit = 4000
  • channels.whatsapp.chunkMode = "length" | "newline"
  • newline mode prefers paragraph boundaries (blank lines), then falls back to length-safe chunking
  • supports image, video, audio (PTT voice-note), and document payloads
  • audio media is sent through the Baileys audio payload with ptt: true, so WhatsApp clients render it as a push-to-talk voice note
  • reply payloads preserve audioAsVoice; TTS voice-note output for WhatsApp stays on this PTT path even when the provider returns MP3 or WebM
  • native Ogg/Opus audio is sent as audio/ogg; codecs=opus for voice-note compatibility
  • non-Ogg audio, including Microsoft Edge TTS MP3/WebM output, is transcoded with ffmpeg to 48 kHz mono Ogg/Opus before PTT delivery
  • /tts latest sends the latest assistant reply as one voice note and suppresses repeat sends for the same reply; /tts chat on|off|default controls auto-TTS for the current WhatsApp chat
  • animated GIF playback is supported via gifPlayback: true on video sends
  • captions are applied to the first media item when sending multi-media reply payloads, except PTT voice notes send the audio first and visible text separately because WhatsApp clients do not render voice-note captions consistently
  • media source can be HTTP(S), file://, or local paths
  • inbound media save cap: channels.whatsapp.mediaMaxMb (default 50)
  • outbound media send cap: channels.whatsapp.mediaMaxMb (default 50)
  • per-account overrides use channels.whatsapp.accounts.<accountId>.mediaMaxMb
  • images are auto-optimized (resize/quality sweep) to fit limits
  • on media send failure, first-item fallback sends text warning instead of dropping the response silently

Reply quoting

WhatsApp supports native reply quoting, where outbound replies visibly quote the inbound message. Control it with channels.whatsapp.replyToMode.
ValueBehavior
"off"Never quote; send as a plain message
"first"Quote only the first outbound reply chunk
"all"Quote every outbound reply chunk
"batched"Quote queued batched replies while leaving immediate replies unquoted
Default is "off". Per-account overrides use channels.whatsapp.accounts.<id>.replyToMode.
{
  channels: {
    whatsapp: {
      replyToMode: "first",
    },
  },
}

Reaction level

channels.whatsapp.reactionLevel controls how broadly the agent uses emoji reactions on WhatsApp:
LevelAck reactionsAgent-initiated reactionsDescription
"off"NoNoNo reactions at all
"ack"YesNoAck reactions only (pre-reply receipt)
"minimal"YesYes (conservative)Ack + agent reactions with conservative guidance
"extensive"YesYes (encouraged)Ack + agent reactions with encouraged guidance
Default: "minimal". Per-account overrides use channels.whatsapp.accounts.<id>.reactionLevel.
{
  channels: {
    whatsapp: {
      reactionLevel: "ack",
    },
  },
}

Acknowledgment reactions

WhatsApp supports immediate ack reactions on inbound receipt via channels.whatsapp.ackReaction. Ack reactions are gated by reactionLevel — they are suppressed when reactionLevel is "off".
{
  channels: {
    whatsapp: {
      ackReaction: {
        emoji: "👀",
        direct: true,
        group: "mentions", // always | mentions | never
      },
    },
  },
}
Behavior notes:
  • sent immediately after inbound is accepted (pre-reply)
  • failures are logged but do not block normal reply delivery
  • group mode mentions reacts on mention-triggered turns; group activation always acts as bypass for this check
  • WhatsApp uses channels.whatsapp.ackReaction (legacy messages.ackReaction is not used here)

Multi-account and credentials

  • account ids come from channels.whatsapp.accounts
  • default account selection: default if present, otherwise first configured account id (sorted)
  • account ids are normalized internally for lookup
  • current auth path: ~/.openclaw/credentials/whatsapp/<accountId>/creds.json
  • backup file: creds.json.bak
  • legacy default auth in ~/.openclaw/credentials/ is still recognized/migrated for default-account flows
openclaw channels logout --channel whatsapp [--account <id>] clears WhatsApp auth state for that account.In legacy auth directories, oauth.json is preserved while Baileys auth files are removed.

Tools, actions, and config writes

  • Agent tool support includes WhatsApp reaction action (react).
  • Action gates:
    • channels.whatsapp.actions.reactions
    • channels.whatsapp.actions.polls
  • Channel-initiated config writes are enabled by default (disable via channels.whatsapp.configWrites=false).

Troubleshooting

Symptom: channel status reports not linked.Fix:
openclaw channels login --channel whatsapp
openclaw channels status
Symptom: linked account with repeated disconnects or reconnect attempts.Quiet accounts can stay connected past the normal message timeout; the watchdog restarts when WhatsApp Web transport activity stops, the socket closes, or application-level activity stays silent beyond the longer safety window.If logs show repeated status=408 Request Time-out Connection was lost, tune Baileys socket timings under web.whatsapp. Start by shortening keepAliveIntervalMs below your network’s idle timeout and increasing connectTimeoutMs on slow or lossy links:
{
  web: {
    whatsapp: {
      keepAliveIntervalMs: 15000,
      connectTimeoutMs: 60000,
      defaultQueryTimeoutMs: 60000,
    },
  },
}
Fix:
openclaw doctor
openclaw logs --follow
If needed, re-link with channels login.
Symptom: openclaw channels login --channel whatsapp fails before showing a usable QR code with status=408 Request Time-out or a TLS socket disconnect.WhatsApp Web login uses the gateway host’s standard proxy environment (HTTPS_PROXY, HTTP_PROXY, lowercase variants, and NO_PROXY). Verify the gateway process inherits the proxy env and that NO_PROXY does not match mmg.whatsapp.net.
Outbound sends fail fast when no active gateway listener exists for the target account.Make sure gateway is running and the account is linked.
Check in this order:
  • groupPolicy
  • groupAllowFrom / allowFrom
  • groups allowlist entries
  • mention gating (requireMention + mention patterns)
  • duplicate keys in openclaw.json (JSON5): later entries override earlier ones, so keep a single groupPolicy per scope
WhatsApp gateway runtime should use Node. Bun is flagged as incompatible for stable WhatsApp/Telegram gateway operation.

System prompts

WhatsApp supports Telegram-style system prompts for groups and direct chats via the groups and direct maps. Resolution hierarchy for group messages: The effective groups map is determined first: if the account defines its own groups, it fully replaces the root groups map (no deep merge). Prompt lookup then runs on the resulting single map:
  1. Group-specific system prompt (groups["<groupId>"].systemPrompt): used when the specific group entry exists in the map and its systemPrompt key is defined. If systemPrompt is an empty string (""), the wildcard is suppressed and no system prompt is applied.
  2. Group wildcard system prompt (groups["*"].systemPrompt): used when the specific group entry is absent from the map entirely, or when it exists but defines no systemPrompt key.
Resolution hierarchy for direct messages: The effective direct map is determined first: if the account defines its own direct, it fully replaces the root direct map (no deep merge). Prompt lookup then runs on the resulting single map:
  1. Direct-specific system prompt (direct["<peerId>"].systemPrompt): used when the specific peer entry exists in the map and its systemPrompt key is defined. If systemPrompt is an empty string (""), the wildcard is suppressed and no system prompt is applied.
  2. Direct wildcard system prompt (direct["*"].systemPrompt): used when the specific peer entry is absent from the map entirely, or when it exists but defines no systemPrompt key.
dms remains the lightweight per-DM history override bucket (dms.<id>.historyLimit). Prompt overrides live under direct.
Difference from Telegram multi-account behavior: In Telegram, root groups is intentionally suppressed for all accounts in a multi-account setup — even accounts that define no groups of their own — to prevent a bot from receiving group messages for groups it does not belong to. WhatsApp does not apply this guard: root groups and root direct are always inherited by accounts that define no account-level override, regardless of how many accounts are configured. In a multi-account WhatsApp setup, if you want per-account group or direct prompts, define the full map under each account explicitly rather than relying on root-level defaults. Important behavior:
  • channels.whatsapp.groups is both a per-group config map and the chat-level group allowlist. At either the root or account scope, groups["*"] means “all groups are admitted” for that scope.
  • Only add a wildcard group systemPrompt when you already want that scope to admit all groups. If you still want only a fixed set of group IDs to be eligible, do not use groups["*"] for the prompt default. Instead, repeat the prompt on each explicitly allowlisted group entry.
  • Group admission and sender authorization are separate checks. groups["*"] widens the set of groups that can reach group handling, but it does not by itself authorize every sender in those groups. Sender access is still controlled separately by channels.whatsapp.groupPolicy and channels.whatsapp.groupAllowFrom.
  • channels.whatsapp.direct does not have the same side effect for DMs. direct["*"] only provides a default direct-chat config after a DM is already admitted by dmPolicy plus allowFrom or pairing-store rules.
Example:
{
  channels: {
    whatsapp: {
      groups: {
        // Use only if all groups should be admitted at the root scope.
        // Applies to all accounts that do not define their own groups map.
        "*": { systemPrompt: "Default prompt for all groups." },
      },
      direct: {
        // Applies to all accounts that do not define their own direct map.
        "*": { systemPrompt: "Default prompt for all direct chats." },
      },
      accounts: {
        work: {
          groups: {
            // This account defines its own groups, so root groups are fully
            // replaced. To keep a wildcard, define "*" explicitly here too.
            "120363406415684625@g.us": {
              requireMention: false,
              systemPrompt: "Focus on project management.",
            },
            // Use only if all groups should be admitted in this account.
            "*": { systemPrompt: "Default prompt for work groups." },
          },
          direct: {
            // This account defines its own direct map, so root direct entries are
            // fully replaced. To keep a wildcard, define "*" explicitly here too.
            "+15551234567": { systemPrompt: "Prompt for a specific work direct chat." },
            "*": { systemPrompt: "Default prompt for work direct chats." },
          },
        },
      },
    },
  },
}

Configuration reference pointers

Primary reference: High-signal WhatsApp fields:
  • access: dmPolicy, allowFrom, groupPolicy, groupAllowFrom, groups
  • delivery: textChunkLimit, chunkMode, mediaMaxMb, sendReadReceipts, ackReaction, reactionLevel
  • multi-account: accounts.<id>.enabled, accounts.<id>.authDir, account-level overrides
  • operations: configWrites, debounceMs, web.enabled, web.heartbeatSeconds, web.reconnect.*, web.whatsapp.*
  • session behavior: session.dmScope, historyLimit, dmHistoryLimit, dms.<id>.historyLimit
  • prompts: groups.<id>.systemPrompt, groups["*"].systemPrompt, direct.<id>.systemPrompt, direct["*"].systemPrompt