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Siena

Siena · Siena: AI Agents for Consumer Brands Covering Support, Social Comments and DMs, Shopping and QA on One Customer Memory

Open Siena

Siena is an AI agent platform for ecommerce and consumer brands: a customer service agent that resolves tickets and takes order, return and subscription actions, a Social Agent for Instagram and Facebook comments and DMs, a Shopping Agent, and Reviews and QA agents, all sharing one memory of each customer. It suits Shopify-based DTC brands with high ticket volume that want an AI layer on top of their existing help desk.

PricingPaid
Setupmedium
Runs onWeb
Open sourceNo
Customer SupportEcommerceShopifyAI AgentHelp DeskSocial MediaInstagramWhatsAppSMSShoppingReview ManagementAgent MemoryAutonomous AgentHuman-in-the-LoopAnalytics

Best for

Shopify-based DTC and consumer brands with high ticket volume that want an AI agent on top of their existing help desk to resolve order, return and subscription requests, and that also want social comments, reviews and QA handled from the same customer memory

Not ideal for

B2B or SaaS support teams, stores on WooCommerce, BigCommerce or Magento, small shops that want a cheap self-serve tool, and brands that need voice or TikTok coverage today

Who it's for

CX, social and ecommerce operations teams at Shopify-based DTC and consumer brands, from fast-growing stores to large retail brands

Capabilities

  • Customer Service Agent that runs on top of Gorgias, Zendesk, Kustomer, Intercom, Gladly or Dixa and automates the channels you choose there, including email, chat, SMS, WhatsApp and social DMs
  • Order actions in Shopify during the conversation: cancel, edit and refund orders, update shipping addresses and emails, send replacements and handle price adjustments
  • Subscription, returns, shipping and loyalty actions through Recharge, Skio, Smartrr, Stay AI, Ordergroove, Prive, Loop Returns, AfterShip, ShipBob, ShipMonk and Rivo
  • Social Agent for Instagram and Facebook comments and DMs on organic posts and paid ads: classifies every message, replies in a persona you set per channel or page, hides or deletes spam and keyword-matched comments, and moves public comments into DMs with a product link
  • Draft Mode for social (Siena drafts, your team sends) before switching to auto-send, plus follower thresholds that route creators and press to a human
  • Siena Memory: captures details customers mention, such as sizes, preferences and feedback, into a profile that the support, shopping, social and reviews agents all use
  • Shopping Agent that answers product questions and recommends products with links and add-to-cart buttons in chat, with conversation starters and a revenue dashboard
  • Reviews Agent that moderates reviews against your guidelines and writes personalized replies, with Yotpo and Okendo integrations
  • QA Agent that scores 100% of AI and human conversations against plain-language criteria and triggers Slack alerts, help desk tags and internal notes
  • Ask Siena: plain-language questions over customer conversations in the app or Slack, scheduled reports, and building agent journeys from an SOP, transcript or URL
  • Reads customer videos to assess damage and defects for warranty claims, and tracks parcels natively across 2,000+ carriers
  • Collaborative AI routing that hands a conversation to the right person with an internal note explaining why, plus a Copilot that drafts and translates replies inside Gorgias, Kustomer and Zendesk
  • Siena Docs knowledge base and public help center that the agents use as their knowledge source, with Google Docs and Sheets as additional sources and an MCP connection
  • SAML SSO, granular permissions and audit logs; SOC 2 Type II, with GDPR, CPRA and HIPAA compliance announced

Limitations

  • Built for consumer and ecommerce brands; Shopify is the only storefront platform with a native integration in Siena's catalog (WooCommerce, BigCommerce and Magento are not listed), so other platforms would depend on the custom integration builder
  • Setup is led by Siena's implementation team after a demo; there is no self-serve sign-up and no published free trial
  • The pricing page lists a $750/month platform fee and $0.90 per automated ticket, but the actual price is sent after you submit ticket volume and tool details, and prices for Social, Shopping, Reviews and QA are not broken out
  • Social Agent covers Instagram and Facebook only; TikTok is listed as coming soon
  • A voice agent for phone calls is still in development, so phone support is not covered today
  • No public developer documentation or API reference is published; custom actions are configured through Siena's custom integration builder
  • Siena does not say which AI models power its agents

Use cases

  • Automating where-is-my-order, address-change, cancellation and refund tickets in Gorgias or Zendesk for a Shopify store, with the action taken in Shopify during the conversation
  • Letting customers skip, swap or pause Recharge or Skio subscriptions in chat, with a retention offer before a cancellation
  • Answering product and shipping questions under Instagram and Facebook ads, hiding spam, and sending interested commenters a product link by DM
  • Replying automatically to customer responses to a Klaviyo SMS campaign, such as a broken discount code or a tracking question
  • Scoring every support conversation, AI and human, for policy adherence and getting a Slack alert when a refund exceeds the allowed limit
  • Asking which products drive the most returns or shipping complaints this week and sending the answer to the product or logistics team

Our take

Siena's strongest argument is breadth on one customer record: the same memory and policies drive support tickets, ad comments, reviews and QA, which matters most for brands whose social channels generate real support and purchase intent. For pure ticket automation on Shopify, it competes head-on with Yuma and with the help desk's own AI, and the deciding factors will be which actions it can take in your specific subscription, returns and shipping tools, and how its $750/month platform fee plus $0.90 per ticket compares with resolution-based pricing at your volume. Treat the newer agents as young: Social Agent launched in October 2026, TikTok and voice are not live, and QA and Shopping Agent results should be measured in a pilot. Because there is no public developer documentation or model disclosure, ask during the demo exactly which channels are automated through your help desk and how memory data is stored and deleted.

Who should use it

CX and social teams at Shopify-based consumer brands handling thousands of tickets a month that want order, return and subscription requests resolved automatically inside their current help desk, and want social comments, reviews and QA covered by the same system.

Who should skip it

B2B or SaaS support teams, stores on platforms other than Shopify, small shops that want a self-serve tool with a low monthly floor, and brands whose main need is phone support or TikTok today.

Strengths

  • Runs on top of the help desk you already use (Gorgias, Zendesk, Kustomer, Intercom, Gladly or Dixa), so switching help desks does not mean rebuilding the AI
  • Takes real actions in Shopify and in subscription, returns and shipping tools rather than only answering questions
  • Support, social, shopping, reviews and QA agents share one customer memory, so context from a support ticket can shape a later recommendation or social reply
  • Social Agent covers comments under paid ads as well as DMs, with Draft Mode, keyword moderation and creator thresholds
  • Publishes its platform fee and per-ticket rate, bills per automated conversation rather than per resolution, and does not charge per seat
  • SOC 2 Type II, SAML SSO and audit logs, with HIPAA compliance for wellness and health-adjacent brands

Weaknesses

  • Shopify is the only storefront platform with a native integration
  • No self-serve trial; setup goes through a demo and Siena's implementation team
  • A $750/month platform fee before automation charges is a meaningful floor for small stores
  • Voice and TikTok are not available yet
  • No public developer documentation, and the AI models behind the agents are not disclosed

Siena pricing

Platform fee

$750/month

Billed monthly

  • Access to Siena's core AI engine
  • Unlimited sandbox for testing

Automation Pack

$0.90 per automated ticket

  • Charged per ticket Siena automates
  • Per-conversation billing rather than per-resolution

Support & Implementation

Included in quote

  • Expert onboarding by Siena's implementation team
  • Dedicated Slack support

Free tier limits: No free plan or self-serve trial; evaluation starts with a demo.

Note: Siena's pricing page lists the platform fee and per-ticket rate, then asks for your monthly ticket volume, help desk and social tools and sends a tailored quote. Prices for Social Agent, Shopping Agent, Reviews Agent and QA Agent are not listed separately. Siena says it does not charge per seat, and Social Agent includes unlimited seats.

Technical specs

Modalities

Text, Image, Video

Where Siena excels

Peak-season ticket load for a Shopify brand

Siena resolves where-is-my-order, address, cancellation and return requests inside the existing help desk and takes the action in Shopify, so the team handles only exceptions.

Comments under paid social campaigns

Social Agent replies to product and shipping questions under ads, hides spam that sits beside paid impressions, and moves buyers into DMs with a link while they are still deciding.

Subscription retention

Through Recharge, Skio, Smartrr, Stay AI or Ordergroove, Siena can skip, pause or swap a subscription instead of cancelling it, with Siena Memory carrying that context into later conversations.

Full QA coverage

The QA Agent scores every AI and human conversation against the team's own criteria and flags policy breaches, such as an unauthorized refund, in Slack and the help desk.

Siena vs. competitors

Siena vs. Yuma

Yuma is the closest match: an AI layer for ecommerce support that runs inside Gorgias, Zendesk and other help desks and takes order, return and subscription actions. Yuma bills per full resolution on annual plans and lists WooCommerce and BigCommerce alongside Shopify. Siena bills per conversation with a platform fee and adds a dedicated social comment agent, reviews and QA agents and shared customer memory.

Siena vs. Gorgias

Gorgias is an ecommerce help desk with a built-in AI Agent that works only inside Gorgias. Siena can run on top of Gorgias (importing its macros) or on other help desks, so it suits brands that want an AI layer independent of their help desk or need more than support automation.

Siena vs. Fin

Fin is a general-purpose AI support agent that runs on Intercom and several other help desks, priced per outcome. Siena is ecommerce-specific, with order, subscription and returns actions, social comment moderation and a shopping agent built for consumer brands.

Siena vs. Decagon

Decagon is an enterprise AI support platform with cross-channel memory across chat, voice, email and SMS, built for large brands and not tied to ecommerce. Siena focuses on consumer and ecommerce brands, with Shopify and DTC tool integrations and a social comment agent, but has no live voice channel yet.

Frequently asked questions

What does Siena do?

Siena is an AI agent platform for consumer and ecommerce brands. Its Customer Service Agent resolves support conversations on top of your help desk and takes actions such as cancelling or refunding Shopify orders, changing addresses and managing subscriptions. Social Agent handles Instagram and Facebook comments and DMs, the Shopping Agent recommends products in chat, the Reviews Agent moderates and replies to reviews, and the QA Agent scores every conversation. All of them share Siena Memory, a profile of what each customer has told the brand.

How much does Siena cost?

Siena's pricing page lists a $750/month platform fee (the core AI engine and an unlimited sandbox), an Automation Pack at $0.90 per automated ticket, and onboarding with dedicated Slack support. You submit your monthly ticket volume, help desk and social tools, and Siena sends a quote. Siena describes this as per-conversation billing (a flat rate per conversation it handles, regardless of outcome) rather than per-resolution pricing, and says it does not charge per seat.

Does Siena replace my help desk?

No. Siena connects to Gorgias, Zendesk, Kustomer, Intercom, Gladly or Dixa and automates the channels you choose inside it, so human agents keep working in the same help desk and can take over any conversation. Social Agent adds its own shared inbox for comments, DMs and routed support conversations, and Siena says this workspace is included without per-seat charges.

Which channels does Siena support?

Through your help desk, Siena can automate email, chat, SMS, WhatsApp, Instagram, Facebook and Twitter messages, plus contact or web forms (as listed on its Gorgias and Zendesk integration pages). It replies to Klaviyo SMS campaign responses through a native Klaviyo integration. Social Agent works on Instagram and Facebook comments and DMs, organic and paid, with TikTok listed as coming soon. A voice agent for phone calls is in development.

Does Siena work with Shopify?

Yes, Shopify is its core ecommerce integration. Siena can read order history and cancel orders, process refunds, send replacements, edit orders, update shipping addresses and handle price adjustments in Shopify during a conversation. Other storefront platforms such as WooCommerce or BigCommerce are not in its integration catalog.

Can Siena run without sending replies automatically?

Yes. Social Agent starts in Draft Mode, where Siena drafts replies and your team sends them, and you switch to auto-send once you trust it. In support, you choose which help desk channels to automate, and Collaborative AI routing hands conversations Siena cannot handle to the right person with a note explaining why.

Siena vs Gorgias AI Agent: what is the difference?

Gorgias AI Agent is built into the Gorgias help desk and only works there, billed per automated interaction on top of a help desk plan. Siena is a separate AI layer that can run on Gorgias or on Zendesk, Kustomer, Intercom, Gladly or Dixa, and adds a social comment agent, reviews and QA agents and shared customer memory. Siena is sold through a demo, with a $750/month platform fee plus $0.90 per automated ticket.

Integrations & fit

ShopifyGorgiasZendeskKustomerIntercomGladlyDixaKlaviyoInstagramFacebookRechargeSkioSmartrrStay AIOrdergroovePriveLoop ReturnsAfterShipShipBobShipMonkWondermentFulfilStripeYotpoOkendoRivoSlackGoogle DocsGoogle SheetsMCP
Good fit forStartup / small team, Enterprise
Pricing modelPaid· Paid subscription required
See pricing on Siena →

Alternatives to consider

About Siena

Siena started as an empathic customer service agent for ecommerce brands and has grown into a set of agents that work from one shared layer of customer context, which the company calls the Agent of Record. The Customer Service Agent connects to the help desk a brand already uses (Gorgias, Zendesk, Kustomer, Intercom, Gladly or Dixa) and answers across that help desk's channels, including email, chat, SMS, WhatsApp and social DMs; it also replies to Klaviyo SMS campaign responses in the same thread. It does more than answer questions: through Shopify it cancels, edits and refunds orders, changes addresses, sends replacements and handles price adjustments, and through subscription, returns, shipping and loyalty integrations (Recharge, Skio, Smartrr, Stay AI, Ordergroove, Loop Returns, AfterShip, ShipBob, Rivo and others) it skips or swaps subscriptions, creates returns and checks fulfillment. It can read customer videos for warranty and damage claims and tracks parcels natively across 2,000+ carriers. Around that sit the newer agents. Social Agent, launched October 13, 2026, reads, classifies and replies to Instagram and Facebook comments and DMs on organic posts and paid ads, hides spam and keyword-matched comments, moves public questions into DMs with a product link, and flags creators above a follower threshold for a human; TikTok is listed as coming soon. The Shopping Agent recommends products with add-to-cart buttons in chat, the Reviews Agent moderates and replies to reviews (Yotpo, Okendo), and the QA Agent scores every AI and human conversation against criteria written in plain language. What ties them together is Siena Memory, which records details customers mention (sizes, preferences, complaints) into a profile every agent reads, plus Ask Siena, which answers questions about customer conversations in the app or in Slack and turns SOPs, transcripts or URLs into agent journeys. Siena raised a $17 million Series A led by York IE on October 6, 2026 and says it works with hundreds of brands. The tradeoffs: it is built for consumer and ecommerce brands, and Shopify is the only storefront platform with a native integration in its catalog; setup is run by Siena's implementation team rather than self-serve; the pricing page lists a $750/month platform fee plus $0.90 per automated ticket, but the final price is quoted; there is no public developer documentation or API reference; and a voice agent is still in development.

Updates from Siena

LaunchSiena launches Social Agent

Siena released Social Agent, which reads and replies to Instagram and Facebook comments and DMs on organic posts and paid ads, moderates spam and harmful comments, moves buyers from comments into DMs, and flags creators for a human, using the same memory and policies as Siena's support agent. It includes a shared inbox for Siena and the social team and a Draft Mode for building trust before auto-send. TikTok is listed as coming soon.

MilestoneSiena raises a $17 million Series A

Siena raised $17 million in a Series A led by York IE, with Joyance Ventures and existing investors Aglaé Ventures, Sierra Ventures and Super Angel Fund. The company said it will use the funding to build more autonomous agents, including voice, on shared customer context it calls the Agent of Record.

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