Research Question
Evaluate no-code platforms for automating Slack form submissions into NDA/order form processing—including LLM classification, DMS template retrieval, Salesforce prefilling, draft generation, and mandatory lawyer approval—assessing production readiness, approval mechanics, costs at 500-5K monthly executions, and auditability for queries like "Q3 AI-drafted NDAs and approvers."
Key Findings
- Relay.app matches the workflow exactly with native "Approvals" step (pauses execution, notifies via email/Slack/app, supports timeouts/escalations/paths); beginner difficulty, 0.25-hour setup, 167 integrations including Salesforce (5 triggers/6 actions), Slack (4 triggers/21 actions), OpenAI (39 actions for classification).
- Make and n8n replicate approval via "wait for webhook" (custom notification/link to POST decision); requires extra setup (1-2 hours) for UI/timeouts; Make strong data mapping (Salesforce 3 triggers/11 actions, Slack 7/31), n8n developer-oriented (Salesforce 1 trigger/54 actions, Slack 8/37).
- Costs for 1 workflow, 7 steps, cloud deployment, team size 1 (prices as of Apr 20, 2026):
- Auditability: n8n highest (Pro+ "Execution search" by data + "Insights dashboard" with date/granularity filters, 5-365+ day retention); Make medium (Pro+ full-text log search, 30-60 days); Relay low (basic history/approval logs, manual export).
- All support Slack triggers, Salesforce lookups/prefills, OpenAI classification; DMS via HTTP/Google Drive/etc. (unspecified); saves ~$8K/year vs. manual.
Recommendation
Use Relay.app Professional ($118-698/mo) for production-ready native approvals and beginner setup, ideal for non-negotiable lawyer gatekeeping without custom code. Switch to n8n Pro ($60/mo at high volume) if auditability (Q3 NDA reports) or self-hosting is prioritized, accepting higher dev time. Test free tiers; log AI outputs/approvers to Airtable for all platforms. Caveat: Custom DMS integration needed; assumes 1 bundle/execution.
Details
Cost Comparison Tables (7 steps/workflow, 1 workflow)
Low volume (500 execs/mo):
| Platform | Recommended Tier | Monthly Cost | Annual Cost | Billing Unit | Free Tier Fit |
|---|---|---|---|---|---|
| Relay.app | Professional | $118 | $708 | Steps | No |
| Make | Core | $16 | $144 | Operations | No |
| n8n | Starter | $24 | $240 | Executions | No |
High volume (5K execs/mo):
| Platform | Recommended Tier | Monthly Cost | Annual Cost | Billing Unit | Free Tier Fit |
|---|---|---|---|---|---|
| Relay.app | Professional | $698 | $4188 | Steps | No |
| Make | Core | $51 | $456 | Operations | No |
| n8n | Pro | $60 | $600 | Executions | No |
Auditability Comparison:
| Platform | Native Q3 Report Fit | Key Feature | Tier Needed | Log Retention |
|---|---|---|---|---|
| n8n | High (search + insights) | Execution search, date filter | Pro+ | 5-365+ days |
| Make | Medium (log search) | Full-text logs | Pro+ | 30-60 days |
| Relay | Low (history only) | Approval logs | Team+ | Unspecified |
Pricing pages: Relay.app, Make, n8n. Verified Apr 20, 2026. Make caveat: Operations per module/data bundle. n8n open-source/self-hostable (~$7/mo infra). No pre-built NDA templates found.