--- title: "Archbee to Slack Canvas Migration | ClonePartner" description: "Archbee to Slack Canvas: Archbee stores document bodies in a proprietary JSON block format with 30+ block types that must be individually parsed and mapped…" source: Archbee target: Slack Canvas canonical: "https://clonepartner.com/migrate/archbee-to-slack-canvas" --- # Archbee → Slack Canvas migration Archbee to Slack Canvas migration — documents moved in bulk and attached to the channels your team already works in. ## Why teams migrate from Archbee to Slack Canvas Migrating from Archbee to Slack Canvas has no native import path, plugin, or middleware solution — every migration requires custom converter engineering. Archbee stores document content in a proprietary JSON block format with 30+ block types and a hierarchical workspace/space/document tree structure, while Slack Canvas accepts only a specific Markdown subset via its API, rejecting Block Kit, HTML, and unsupported syntax outright. The fundamental mismatch between Archbee's rich block model and Canvas's narrow Markdown-only content model means that significant content transformation, lossy conversions, and structural redesign from spaces to channels are unavoidable. Custom work includes building a block-to-Markdown converter, handling Archbee-specific features with no Canvas equivalent, rewriting internal links, resolving user mention mappings, and managing Slack API rate limits and undocumented constraints. ## Key migration challenges - **No Native Migration Path** — There is no import button, plugin, or middleware that transfers Archbee content into Slack Canvas, requiring teams to engineer a custom block-to-Markdown converter from scratch. - **Proprietary Block Format Conversion** — Archbee stores document bodies in a proprietary JSON block format with 30+ block types that must be individually parsed and mapped to Slack Canvas's limited Markdown-only content model. - **Unsupported Canvas Content Types** — Archbee features including Mermaid diagrams, OpenAPI/Swagger pages, draw.io embeds, iframe embeds, expandable headings, changelog blocks, and documentation widgets have no Canvas equivalent and require alternate handling or omission. - **Structural Hierarchy Redesign** — Archbee's hierarchical workspace/space/category/document tree must be restructured into Slack's channel-based model, requiring deliberate information architecture decisions before content conversion begins. - **Slack API Rate Limits and Constraints** — Slack Canvas's API enforces a 1 MiB per-call content limit, a 300-cell table maximum, and an undocumented restriction of only one change object per `canvases.edit` request, requiring the migration pipeline to serialize operations carefully. - **Internal Link and User Mention Remapping** — Archbee internal document links use proprietary docId-based paths that break on export, and user mentions export as plain username text rather than Slack user IDs, both requiring separate resolution mapping tables. ## Entity mappings - **Document** (Archbee) → **Standalone Canvas** (Slack Canvas) - **DocumentContent** (Archbee) → **Canvas Content (Markdown)** (Slack Canvas) - **Space** (Archbee) → **Channel Canvas** (Slack Canvas) - **Collection** (Archbee) → **Channel Canvas** (Slack Canvas) - **DocumentTree** (Archbee) → **Canvas Content (Markdown)** (Slack Canvas) - **Team** (Archbee) → **Canvas Access Grant** (Slack Canvas) - **TeamMember** (Archbee) → **Canvas Access Grant** (Slack Canvas) - **User** (Archbee) → **Canvas Access Grant** (Slack Canvas) - **Widget** (Archbee) → **Canvas Content (Markdown)** (Slack Canvas) - **OpenAPISpec** (Archbee) → **File Attachment** (Slack Canvas) - **Changelog** (Archbee) → **Standalone Canvas** (Slack Canvas) - **ChangelogEntry** (Archbee) → **Canvas Content (Markdown)** (Slack Canvas) - **DocumentVersion** (Archbee) → **NotAvailable (Partial Workaround Only)** (Slack Canvas) - **CustomDomain** (Archbee) → **NotAvailable** (Slack Canvas) - **PublishedSite** (Archbee) → **NotAvailable** (Slack Canvas) ## What breaks during migration - **Plain Text and Paragraphs** [Direct] — Standard paragraphs and inline formatting including bold, italic, and strikethrough export cleanly from Archbee and map directly to supported Canvas Markdown syntax. - **Headings** [Workaround] — Archbee headings h1–h3 migrate cleanly, but h4–h6 must be clamped or demoted since Canvas only supports three heading levels, requiring converter post-processing logic. - **Tables** [Workaround] — Tables with 300 cells or fewer migrate cleanly using pipe syntax, but any table exceeding the 300-cell limit will be rejected by the Canvas API and must be detected and split by the converter. - **Code Blocks** [Workaround] — Single-language fenced code blocks migrate cleanly, but multi-tab code editor blocks require API extraction using `format=json` to preserve tab structure, as the Markdown export collapses or discards tab content. - **Blockquotes and Callouts** [Workaround] — Flat blockquotes migrate cleanly, but nested structures such as bulleted lists inside blockquotes are rejected by Canvas with a `canvas_editing_failed` error and must be actively detected and flattened by the converter. - **Internal Document Links** [Breaks] — Archbee internal links use proprietary docId-based URL paths that are broken on export and require a complete link rewriting map correlating Archbee document IDs to new Canvas or channel URLs. - **User Mentions** [Breaks] — Archbee user mentions export as plain username text rather than Slack user IDs, requiring a separate user-mapping table to convert mentions into valid Canvas mention syntax using Slack UIDs. - **Mermaid Diagrams and Embeds** [Breaks] — Mermaid diagrams, draw.io embeds, and iframe embeds are entirely omitted from Archbee's Markdown export and have no Canvas equivalent, requiring conversion to static images, external links, or manual recreation. - **OpenAPI and Swagger Pages** [Breaks] — Archbee OpenAPI reference pages export only as a basic description stub with no interactive content, and must be replaced with links to an external spec host since Canvas cannot render interactive API documentation. - **Variables and Dynamic Content** [Breaks] — Archbee variables either render as their current resolved value or export as raw `{{token}}` placeholders, requiring a pre-resolution pass before conversion to avoid broken or misleading content in Canvas. ## What we migrate ### Migration Filter - **Time Range** — Migrate articles created or updated within a specific period - **Language & Locale** — Migrate specific language versions or translations only - **Category Selection** — Select specific sections, folders, or categories to migrate - **Publication Status** — Filter by published, draft, archived, or internal-only articles ### Data Types - **Tags & Metadata** — SEO settings, search labels, author attribution, and article tags - **Articles & Content** — Core help articles including HTML formatting and inline images - **Media & Attachments** — All downloadable files, PDFs, and media assets embedded in articles - **Categories & Hierarchy** — Full folder structure with sections, sub-sections, and parent categories ## Complete technical guide For a deep-dive into the technical process, data mapping, and step-by-step migration workflow, read our full guide: [Archbee to Slack Canvas Migration: The Technical Guide](https://clonepartner.com/blog/archbee-to-slack-canvas-migration-the-technical-guide/). ## Frequently asked questions ### Can I import Archbee content directly into Slack Canvas? No. There is no native import, plugin, or middleware. Archbee stores content in a proprietary JSON block format, and Slack Canvas accepts only Markdown via its API. You must build a custom converter or use a bulk Markdown export as an intermediate step. ### What Archbee features are lost when migrating to Slack Canvas? Variables (render-time substitution), OpenAPI/Swagger interactive reference pages, the documentation widget, changelog entries, expandable headings, Mermaid diagrams, iframe embeds, version history, the publish workflow, page analytics, and SEO controls are all lost. Canvas has no equivalent for any of these. ### What are the Slack Canvas API rate limits for bulk migration? canvases.create is Tier 2 (20+ requests per minute) and canvases.edit is Tier 3 (50+ per minute). An undocumented constraint limits canvases.edit to one change per request. At Tier 2 rates, creating 200 canvases takes at least 10 minutes. Always respect the Retry-After header on 429 responses. ### How do Archbee spaces map to Slack channels and canvases? Slack Canvas has no folder hierarchy. The practical approach is one Slack channel per Archbee space, a channel canvas as the index/table of contents, and one standalone canvas per document. Nested document trees are flattened. Standalone canvases require a paid Slack plan. ### Does Slack Canvas support Block Kit or HTML content? No. Canvas content must be standard Markdown — not mrkdwn, not Block Kit, not HTML. Supported elements include h1–h3 headings, bold, italic, strikethrough, lists, checklists, code blocks, quotes, callouts, dividers, links, tables (300-cell max), and mentions. Content is capped at 1 MiB per API call. ## Get a fixed-price quote [Talk to an engineer](https://clonepartner.com/talk-to-us?duration=30&utm_source=xtoy&utm_medium=button&utm_campaign=demo_bookings&utm_content=cta_click&utm_term=demo_button_click) about your Archbee → Slack Canvas migration.