Engineering library

Build the integration.
Understand the system.

Browse all 124 DewEngine guides for account connection, resources, event flows, provider behavior, and production operations across every planned channel.

02 guides

General

Cross-channel architecture, account connection, and communication API foundations.

Browse all 2 general guides
  1. 01

    Design social messaging automation around explicit authority

  2. 02

    Evaluate unification by the complexity it removes safely

55 guides

LinkedIn

Messaging, profiles, search, invitations, recruiting, and professional workflows.

Browse all 55 linkedin guides
  1. 01

    Evaluate company search for an authorized LinkedIn product

  2. 02

    Replace the company-scraper idea with a lawful CRM intake design

  3. 03

    Design a governed lead-intake workflow without automated extraction

  4. 04

    Architect LinkedIn messaging around user control and provider truth

  5. 05

    Design a bounded LinkedIn-to-CRM synchronization model

  6. 06

    Plan authorized business insights without LinkedIn scraping

  7. 07

    Model send-on-behalf workflows for CRM and ATS products

  8. 08

    Specify a lawful LinkedIn data-import boundary for software products

  9. 09

    Define a LinkedIn data-integration contract before selecting access

  10. 10

    Choose essential LinkedIn data features without overclaiming access

  11. 11

    Model an InMail send as a gated, entitlement-aware command

  12. 12

    Ask what LinkedIn data is authorized, not what can be pulled

  13. 13

    Handle authorized LinkedIn search results as bounded observations

  14. 14

    Turn professional search into reviewable product value

  15. 15

    Design a profile retrieval contract around partial, authorized data

  16. 16

    Evaluate the real costs of a cloud-connected LinkedIn account

  17. 17

    Design invitation workflows with explicit human intent

  18. 18

    Why a bulk InMail endpoint is the wrong product boundary

  19. 19

    Build personalized message drafts without automating consent

  20. 20

    Evaluate a Sales Navigator integration by entitlement and workflow

  21. 21

    Evaluate advanced search through filter fidelity and user control

  22. 22

    Add professional profile context without making it your identity system

  23. 23

    Constrain user-data retrieval to a declared purpose

  24. 24

    Define a company-inbox workflow before claiming one exists

  25. 25

    Specify a voice-note command without inventing media support

  26. 26

    Specify Sales Navigator search features at capability granularity

  27. 27

    Design a voice-message resource beyond the send button

  28. 28

    Design enrichment as evidence, not an outreach shortcut

  29. 29

    Do not turn a LinkedIn profile into an invented email address

  30. 30

    Plan a tenant-safe cloud synchronization service for SaaS

  31. 31

    Design an MCP boundary for gated LinkedIn workflows

  32. 32

    Treat compliance as a release system, not an API label

  33. 33

    Replace the full-profile promise with a proven field contract

  34. 34

    Define post reads separately from post creation

  35. 35

    Design Recruiter search around job purpose and candidate rights

  36. 36

    Specify an app-to-LinkedIn message command safely

  37. 37

    Resolve LinkedIn identifiers without creating a global identity key

  38. 38

    Do not infer a profile-viewers API from nearby LinkedIn resources

  39. 39

    Integrate invitation proposals into an application responsibly

  40. 40

    Plan authorized Sales Navigator data intake for software

  41. 41

    Turn profile-extraction requests into governed engineering work

  42. 42

    Design a browser companion without extracting LinkedIn sessions

  43. 43

    Plan a Make scenario around gated LinkedIn capabilities

  44. 44

    Design B2B company messaging around identity and service workflow

  45. 45

    Model LinkedIn integration cost without inventing API pricing

  46. 46

    Design a Python client for a capability-gated LinkedIn contract

  47. 47

    Build a profile-enrichment pipeline that can run without LinkedIn

  48. 48

    A complete decision framework for LinkedIn integration

  49. 49

    Improve outreach efficiency through safer workflow, not auto-send

  50. 50

    Turn company search results into a controlled research dataset

  51. 51

    Design n8n workflows that respect the LinkedIn decision gate

  52. 52

    Ask about authorization and total cost before free access

  53. 53

    Read DewEngine LinkedIn documentation as a gated design record

  54. 54

    Evaluate a company-page DM announcement without assuming API access

  55. 55

    Replace a LinkedIn scraper API with an authorized data boundary

26 guides

Email

Gmail, Microsoft Graph, IMAP, SMTP, mailbox sync, and delivery behavior.

Browse all 26 email guides
  1. 01

    How to choose an email API for your software

  2. 02

    A durable Gmail synchronization design

  3. 03

    Microsoft OAuth for a user-owned mailbox

  4. 04

    Fetch email without turning sync into a bottleneck

  5. 05

    Designing an email reply API users can trust

  6. 06

    Extract useful Gmail data without copying the mailbox

  7. 07

    Connecting Gmail to a multi-tenant SaaS product

  8. 08

    Gmail API integration from consent to recovery

  9. 09

    Building an Outlook mailbox integration with Microsoft Graph

  10. 10

    A provider-neutral email synchronization contract

  11. 11

    A planned DewEngine mailbox retrieval flow

  12. 12

    Where an email API genuinely saves engineering time

  13. 13

    Turning inbound email replies into product events

  14. 14

    Google OAuth for mailbox access without password handling

  15. 15

    Retrieving Outlook mail through Microsoft Graph

  16. 16

    Retrieving Gmail messages efficiently and correctly

  17. 17

    Synchronizing Outlook mail with Microsoft Graph delta

  18. 18

    Designing a unified email API without hiding provider truth

  19. 19

    IMAP and SMTP integration beyond the major APIs

  20. 20

    Sending email on behalf of an authorized user

  21. 21

    Sending mail with the Gmail API

  22. 22

    Security controls for a mailbox integration

  23. 23

    Email API fundamentals for product engineers

  24. 24

    Choosing and designing a send-email API

  25. 25

    Microsoft Graph email integration, end to end

  26. 26

    Calling a send-email API safely from JavaScript

21 guides

Instagram

Messaging, profiles, publishing, comments, and Meta integration boundaries.

Browse all 21 instagram guides
  1. 01

    Plan an Instagram inbox around conversation evidence

  2. 02

    Constrain Instagram automation to approved user intent

  3. 03

    Read an endpoint catalog as a release ledger

  4. 04

    Design token custody before asking for Instagram access

  5. 05

    Evaluate an official Instagram graph path by exact capability

  6. 06

    Design Instagram posting as a confirmed command

  7. 07

    Use Instagram profile observations without manufacturing identity

  8. 08

    Shape a Python client around capability truth

  9. 09

    Keep business-account capability explicit inside a unified API

  10. 10

    Build message state around the native Instagram thread

  11. 11

    Evaluate an Instagram integration alternative without hype

  12. 12

    Choose authorized Instagram integration over scraped imitation

  13. 13

    Plan the complete Instagram lifecycle before coding

  14. 14

    Design SaaS direct messaging with reply-aware controls

  15. 15

    Treat Instagram notifications as verified observations

  16. 16

    Model Instagram posts across their full lifecycle

  17. 17

    Represent Instagram messages as sourced observations

  18. 18

    Write Instagram documentation from released evidence

  19. 19

    Scope Instagram access across its entire account lifecycle

  20. 20

    Use an Instagram API guide to narrow the product decision

  21. 21

    Keep each Meta product boundary visible in one architecture

09 guides

WhatsApp

Account connection, conversations, groups, media, and message operations.

Browse all 9 whatsapp guides
  1. 01

    Define the business messaging product before integration

  2. 02

    Map WhatsApp products before defining one API

  3. 03

    Design WhatsApp sends around recipient permission and outcome truth

  4. 04

    Distinguish account connection links from conversation links

  5. 05

    Plan an official WhatsApp business integration for SaaS

  6. 06

    Document WhatsApp by product, permission, and release state

  7. 07

    Plan WhatsApp integration from product choice through deletion

  8. 08

    Evaluate business messaging cost without inventing a plan

  9. 09

    Compare WhatsApp integration cost through complete operations

08 guides

Calendar

Google and Microsoft calendar models, events, sync, and scheduling.

Browse all 8 calendar guides
  1. 01

    Building a scheduler on top of calendar APIs

  2. 02

    Where a scheduling API removes real workflow friction

  3. 03

    How to read Google and Microsoft calendar API documentation

  4. 04

    Calendar API fundamentals for SaaS products

  5. 05

    Real-time calendar sync for Google and Outlook SaaS accounts

  6. 06

    Using the Outlook calendar API through Microsoft Graph

  7. 07

    Google Calendar integration from OAuth to resynchronization

  8. 08

    Evaluating DewEngine as a future Nylas alternative

02 guides

Telegram

Telegram account setup, messaging, and integration fundamentals.

Browse all 2 telegram guides
  1. 01

    Model a Telegram send without pretending it is live

  2. 02

    Define Telegram access before collecting credentials

01 guides

Comparisons

Evidence-led evaluation of unified communication API approaches.

Browse all 1 comparisons guides
  1. 01

    Evaluate an Aurinko alternative by the workflow evidence