Uclic is a CRM and integrations agency: we connect HubSpot, Pipedrive or Salesforce cleanly to the rest of your tool stack, so data flows with no re-entry and no duplicates. Synchronizations that hold the load, documented and monitored. For teams that want to steer on reliable data.
12 sub-services to integrate your CRM, product, billing and marketing tools: no Zapier that breaks.
From stack mapping to monitored production rollout, each sub-service can be activated standalone or packaged into the Complete Architecture plan. Tools explicitly named: HubSpot, Pipedrive, Salesforce, Attio, Notion, Airtable, Slack, Stripe, Lago, Brevo, Customer.io, Inngest, Trigger.dev.
Diagnostic
Stack mapping
Exhaustive list of tools, identification of the source of truth per entity (Contact, Deal, Company, Subscription), audit of existing integrations (Zapier, Make, n8n, native connectors).
100 %tools mapped
HubSpotSalesforceNotionStripe
Dedicated expert
Alexis Christine-Amara
VP Sales
Architecture
Canonical model & mapping
Central canonical Postgres schema (Contact, Deal, Company, Subscription, Event). Field-level bidirectional mapping, priority rules in case of conflict, deduplication strategy: email + domain + fuzzy match.
1source of truth / entity
PostgresSupabaseMappingDedup
Dedicated expert
Tuka Bade
Data Expert | Machine Learning, Python & SQL
Security
OAuth2 & secrets vault
OAuth2 authorization code flow for HubSpot, Pipedrive, Salesforce, Notion, Slack, Stripe Connect. Refresh tokens encrypted in Supabase Vault or Doppler. API keys in environment variables, never committed.
0hardcoded secrets
OAuth2Supabase VaultDopplerClerk
Dedicated expert
Florence Beckel
Directrice artistique - Designer UI/UX & Brand
Event-driven
Inbound HMAC webhooks
Ingestion endpoint per tool with verified HMAC signature. Events normalized to canonical format before publishing to the bus. Idempotency via event_id, 24h deduplication window.
< 5starget latency
WebhooksHMACIdempotency
Dedicated expert
Wladimir Delcros
Head of Growth
Orchestration
Inngest / Trigger.dev bus
Durable event bus, exponential retry, dead letter queue. Inngest for TypeScript-first, Trigger.dev for long-running workflows. No hand-rolled cron-job server.
≥ 99,9 %events processed
InngestTrigger.devQueue
Dedicated expert
Mathieu Chenal
Expert SEO & GEO
Sync
Bidirectional sync & conflicts
Pipeline that reads the canonical state, computes the diff, writes to the remote side. If both sides changed, resolution follows a business rule (most recent or priority source). No silent overwrites.
0silent overwrites
2-wayConflictsDiff
Dedicated expert
Moussa Ball
AI Architect & Full-Stack Engineer
Resilience
Exponential retry & DLQ
Exponential retry on 429 / 503 / 5xx with jitter. Dead letter queue after N attempts, manual or automatic replay. No events lost, alerting beyond threshold.
0events lost
RetryDLQ429 / 503
Dedicated expert
Philippe Lacombe
Consultant SEA & Google Ads Senior | Google Partner
Rate limiting
HubSpot, Salesforce, Notion limits
Client-side rate limiter tuned to each platform's constraints: HubSpot 100 req/10s, Salesforce 15 000 / 24h on Enterprise edition, Notion 3 req/s. Smart backoff, priority queue.
0API bans
HubSpotSalesforceNotion
Dedicated expert
Valentin Geffroy
Webflow Expert Certified | JS, GSAP & CRO
Observability
Better Stack / Axiom logs
Structured JSON logs, search by event_id or customer_id, distributed traces. Metrics per flow: volume, p50 / p95 latency, error rate, lag. Grafana or native dashboards.
100 %events traced
Better StackAxiomGrafana
Dedicated expert
Pierre Lafont
Full-Stack Vibe Coder & AI Engineer
Alerting
DLQ, lag & errors
Slack or Opsgenie alerting on dead letter queue > 0, lag > 5 min, error rate > 1 %. No hand-rolled monitoring, no '2 a.m.' surprises, team alerted in time.
Progressive rollout: 10 % of traffic, 24h observation, 50 %, 24h observation, 100 %. Rollback in 1 command. No big bang, no Friday night surprises.
1rollback command
CanaryFeature flagsRollback
Dedicated expert
Alexis Christine-Amara
VP Sales
Handover
Code, runbook & training
Git repo handed over, ops README, rollback and DLQ replay procedures, 2h training for your internal team. No black box, no permanent dependency: you take back control whenever you want.
100 %code you own
GitRunbookTraining
Dedicated expert
Tuka Bade
Data Expert | Machine Learning, Python & SQL
What we do differently in integrations
Why a Uclic integration over a Zap?
CRM integration in 2026 no longer holds up with a Zapier wired up in a hurry. Complex business mappings, 2-way sync with conflicts, event-driven webhooks and aggressive rate limits call for a custom API: maintained code, OAuth2 security, idempotency, observability. Tools named, code delivered to the client, architecture documented.
We start from the exhaustive list of tools in use (CRM, billing, product, support, marketing) and identify the source of truth for each entity (Contact, Deal, Company, Subscription). We map existing flows and friction points (manual re-entry, known desyncs, duplicates), then design the target state: who is master, who is follower, which webhooks are available.
Canonical Contact / Deal / Company / Subscription / Event schema in Postgres. Field-by-field bidirectional mapping, priority rules for conflicts, deduplication strategy (email + domain + fuzzy match). Hub choice: Supabase or managed Postgres + Inngest or Trigger.dev for event-driven logic.
Canonical Postgres schema
Field-by-field bidirectional mapping
Conflict resolution rules
Deduplication strategy
Deliverable· DB schema + mapping spec + business rules
03
03S2 Auth3 days
OAuth2, secrets & rate limiting
3 days· Step 3
Implementation of OAuth2 authorization code flows for HubSpot, Pipedrive, Salesforce, Notion, Slack, Stripe Connect. Refresh tokens encrypted in Supabase Vault or Doppler. API keys for Airtable, Brevo, Customer.io stored as environment variables, never committed. Client-side rate limiting tailored to HubSpot, Salesforce, and Notion limits.
Per-tool ingestion endpoint with verified HMAC signature. Event normalized to canonical format, published to Inngest or Trigger.dev. Idempotency via event_id, 24h deduplication window. Fallback polling only if the tool doesn't expose a reliable webhook.
Secure HMAC endpoints
Inngest / Trigger.dev bus
event_id idempotency
Minimal fallback polling
Deliverable· Live event bus + monitoring
05
05W3-W4 Bi-directional1-2 weeks
2-way sync & conflict resolution
1-2 weeks· Step 5
Pipeline that reads the canonical state, computes the diff against the remote, writes. On simultaneous changes on both sides, resolution follows a business rule (latest wins or priority source of truth). Exponential retry on 429 / 503, dead letter queue with manual replay.
2-way pipeline per entity
Business conflict resolution
Exponential retry
Dead letter queue
Deliverable· Live bi-directional sync, load testing
06
06W4-W6 Go-live3-5 days
Observability & production rollout
3-5 days· Step 6
Structured logs with Better Stack or Axiom, per-flow metrics (volume, latency, error rate, lag). Alerting on DLQ > 0 and lag > 5 minutes. Client dashboard: live integrations, latest event per flow, recent errors. Progressive rollout 10% → 50% → 100%.
Structured logs + metrics
DLQ & lag alerting
Live client dashboard
Progressive rollout
Deliverable· Live production + runbook + knowledge transfer
Three tiers depending on your stage. Audit + roadmap to scope the work, 2-way sync for a pair of tools, full architecture when 4 to 6 tools are in play. Code delivered, secrets stay with you, monitoring included.
Diagnostic
Audit
No commitment
0€
We review your 3 pillars (Inbound, Outbound, AI & Dev) and deliver a costed set of recommendations.
Inbound, Outbound, AI & Dev auditAnalysis of your acquisition channels (SEO, Ads, Content), your outbound prospecting and your AI/automation stack.
Score across the 3 pillarsA /100 score per pillar: Inbound (demand capture), Outbound (prospecting) and AI & Dev (industrialization).
Growth and automation expertise followed by B2B leaders.
Founders, executives and growth leads publicly react to our analysis and methods on LinkedIn. Each card opens the original conversation.
“
Interesting. Personally, I did the opposite in a way. That said, I always keep the code to create APIs that will be used by n8n. So in the end it's a mix of both.
I also think it depends on what you want to do in the long term.
On the other hand, one thing is certain: if you want total flexibility, knowing how to code is important. (I include vibe coding)
Completely agree ! The era of "just good enough" is over. In a saturated market, it's essential to stand out from day one. An MVP certainly needs to be viable and minimal, but that doesn't mean it has to be a stripped-down version of the final vision. Investing in a quality user experience from the start can significantly accelerate acquisition
incredible, I just gave it a directory with hundreds of software I want to scrape (across about ten pages in total). Fully autonomously, it retrieved everything and ran a google search for each software to find the url of the LinkedIn company page.
All of that with just 1 single 3-line prompt and zero errors!
Thanks for the reco!
I've been in the biz for 20+ years. Code was always the missing piece for me as an SEO. But I've got some solid knowledge. That said, vibe coding opened up other doors for me — just huge ones. Today I've gotten into React, Vite, Node, Python, and I code whatever I need. 😍
Incredible! AI is truly becoming an accelerator for automating web tasks, freeing up time and daring to take on new projects. For anyone interested in dropshipping, automation and e-commerce, it's a real revolution.
Thank you for this very informative share. It's impressive to see the growing number of developers and how dominant young people are in this sector. It really shows how essential technology and development are for our future.
Géraud L.
AI Entrepreneur & Personal Coach for Founders and Leaders
Interesting! This paves the way for the future (potentially huge) market of AI SEO. Companies and people who position themselves on it quickly and effectively will have a definite competitive advantage over the others.
Maxime H.
I turn your innovation and entrepreneurship programs into concrete success
I love this kind of hack Wladimir 🙏🏻
Do you have any hacks on the student email part?
I was thinking of buying a .school domain name, making a mini landing page for a fake school, generating an email.
Because .edu is out of reach 😅
Great, thanks for the tip! I just tested it and it's Veo 2 that's offered in the student plan on the US site (which is indeed free for 12 months). That said, there is indeed access to Veo 3 (in a limited version) :)
This kind of tool truly changes the game by automating complex tasks with incredible simplicity.
A new era is setting in where AI becomes a truly ultra-efficient personal assistant
Matthieu S.
CEO Mindsales - I generate 8 to 33 meetings/month for you - 📩 DM me “Setter” to lea
Interesting. Personally, I did the opposite in a way. That said, I always keep the code to create APIs that will be used by n8n. So in the end it's a mix of both.
I also think it depends on what you want to do in the long term.
On the other hand, one thing is certain: if you want total flexibility, knowing how to code is important. (I include vibe coding)
Completely agree ! The era of "just good enough" is over. In a saturated market, it's essential to stand out from day one. An MVP certainly needs to be viable and minimal, but that doesn't mean it has to be a stripped-down version of the final vision. Investing in a quality user experience from the start can significantly accelerate acquisition
incredible, I just gave it a directory with hundreds of software I want to scrape (across about ten pages in total). Fully autonomously, it retrieved everything and ran a google search for each software to find the url of the LinkedIn company page.
All of that with just 1 single 3-line prompt and zero errors!
Thanks for the reco!
I've been in the biz for 20+ years. Code was always the missing piece for me as an SEO. But I've got some solid knowledge. That said, vibe coding opened up other doors for me — just huge ones. Today I've gotten into React, Vite, Node, Python, and I code whatever I need. 😍
Incredible! AI is truly becoming an accelerator for automating web tasks, freeing up time and daring to take on new projects. For anyone interested in dropshipping, automation and e-commerce, it's a real revolution.
Thank you for this very informative share. It's impressive to see the growing number of developers and how dominant young people are in this sector. It really shows how essential technology and development are for our future.
Géraud L.
AI Entrepreneur & Personal Coach for Founders and Leaders
Interesting! This paves the way for the future (potentially huge) market of AI SEO. Companies and people who position themselves on it quickly and effectively will have a definite competitive advantage over the others.
Maxime H.
I turn your innovation and entrepreneurship programs into concrete success
I love this kind of hack Wladimir 🙏🏻
Do you have any hacks on the student email part?
I was thinking of buying a .school domain name, making a mini landing page for a fake school, generating an email.
Because .edu is out of reach 😅
Great, thanks for the tip! I just tested it and it's Veo 2 that's offered in the student plan on the US site (which is indeed free for 12 months). That said, there is indeed access to Veo 3 (in a limited version) :)
This kind of tool truly changes the game by automating complex tasks with incredible simplicity.
A new era is setting in where AI becomes a truly ultra-efficient personal assistant
Matthieu S.
CEO Mindsales - I generate 8 to 33 meetings/month for you - 📩 DM me “Setter” to lea
4 years, still number 1 in the rankings despite all the bosses who came after you. Delcros will remain the undisputed master and pioneer, always one step ahead of the market. 👏
Finally an interesting take.
N8N is great for understanding a workflow, it's very graphic, very visual, but if you want to do slightly more elaborate stuff, code is way better.
Christophe R.
Web developer // nextjs :: node :: adonis :: astrojs :: directus and more...
While everyone fights to master algos they only half understand, other channels remain wide open. And strangely enough, no one seems interested in them.
Fatou G.
We SCALE your business thanks to a MultiChannel client acquisition strategy and u
I really like this thinking. No-code has its uses for testing or moving fast, but it's true that code lets you take things to the next level. Thanks for sharing 🙌
Interesting to see this shift from no-code to code. Your thinking makes it clear that the tool matters less than the end goal: automating, optimizing, generating value.
4 years, still number 1 in the rankings despite all the bosses who came after you. Delcros will remain the undisputed master and pioneer, always one step ahead of the market. 👏
Finally an interesting take.
N8N is great for understanding a workflow, it's very graphic, very visual, but if you want to do slightly more elaborate stuff, code is way better.
Christophe R.
Web developer // nextjs :: node :: adonis :: astrojs :: directus and more...
While everyone fights to master algos they only half understand, other channels remain wide open. And strangely enough, no one seems interested in them.
Fatou G.
We SCALE your business thanks to a MultiChannel client acquisition strategy and u
I really like this thinking. No-code has its uses for testing or moving fast, but it's true that code lets you take things to the next level. Thanks for sharing 🙌
Interesting to see this shift from no-code to code. Your thinking makes it clear that the tool matters less than the end goal: automating, optimizing, generating value.
100% remote-first with a weekly video steering call: SME, mid-market and B2B scale-up clients in Paris, Lyon, Bordeaux, Marseille, Lille, Nantes, Toulouse, Strasbourg, and beyond (Genève, Bruxelles).
Everything to know before starting an integration engagement with Uclic: audit, 2-way sync, event-driven architecture, code and secrets stay with you.
What is a CRM agency (HubSpot, Pipedrive)?
A CRM agency, sometimes called a HubSpot agency or integrator, sets up your CRM and connects it to the rest of your tools: website, invoicing, marketing, support. The goal: data that flows on its own, reliable statuses, and teams that never re-enter data by hand. At Uclic, every integration is documented, monitored, and built to survive changes in your tool stack.
Why not Zapier for these syncs?
Zapier holds up perfectly as long as you're on 1 to 2 tools, with simple mappings (1 field → 1 field) and low volumes (< 10 000 tasks/month). Beyond that, it breaks for four reasons: (1) no nested objects or complex business logic (validation, conditional branching with state); (2) no 2-way sync with conflict handling: every simultaneous edit creates duplicates or overwrites; (3) no transactions or rollback: an error halfway through leaves your data in an inconsistent state; (4) OAuth tokens are stored on Zapier's side, not yours: you're handing the keys to your CRM over to a SaaS subcontractor. A custom API + webhooks solves all four limitations in a few days and costs less beyond 4 synced tools.
How do you handle duplicates and conflicts in 2-way sync?
Four safeguards, in order. (1) Idempotency via event_id: every incoming event carries a unique identifier; already processed = ignored, with a 24h deduplication window in a dedicated table. (2) Business-level deduplication: for contacts, a composite key of normalized email + domain, fuzzy matching on the name, resolution via survivor record before writing. (3) 2-way conflict resolution: if the entity has been modified on both sides since the last sync, an explicit business rule applies: either the most recent wins (timestamps compared), or the priority source of truth overwrites, or a field-by-field merge (HubSpot takes precedence over Email, product over Subscription, etc.). (4) Audit log: every resolution is traced, so you can audit why any given field was overwritten. Without these four safeguards, 2-way sync is a ticking time bomb; with them, it's a predictable system.
What happens if the HubSpot API rate-limits?
Three cascading mechanisms. (1) A client-side rate limiter that respects HubSpot limits (100 req/10s on standard), Salesforce (15 000 / 24h Enterprise), or Notion (3 req/s): we don't wait for the error; we prevent it. (2) Exponential retry with jitter on 429 Too Many Requests and 503 Service Unavailable: 1s, 2s, 4s, 8s, 16s, capped at 30s, 5 retries. The jitter prevents thundering herds on recovery. (3) Dead letter queue after N failures: the event is set aside with its payload, alerting is triggered, and it's replayed manually or automatically once the cause is identified. Result: no data lost, no API bans, and your team is alerted before the client even notices.
Do you host the code, or does the client?
The code and infrastructure are yours, never Uclic's. The Git repo is created in your GitHub / GitLab organization from day 1. The runtime runs on your cloud: Vercel, Railway, Fly.io, AWS, GCP, Scaleway, OVH, depending on your constraints (sovereignty, compliance, ops team). Secrets (OAuth refresh tokens, API keys) live in your vault: Supabase Vault, Doppler, AWS Secrets Manager, GCP Secret Manager. We can host temporarily during the prototyping phase if you don't have the infrastructure yet, but the handover is completed before going to production. No permanent dependency on Uclic: your in-house team or another provider can take over; the code is documented, the runbook is up to date, and training is done.
How long does a HubSpot ↔ Notion 2-way sync take?
For a standard HubSpot ↔ Notion 2-way sync (Contacts + Companies + Deals with 15 to 25 field mappings): 5 business days from kick-off to progressive production rollout. Breakdown: Day 1 system mapping + mapping spec + conflict rules, Day 2 HubSpot + Notion OAuth2 + Inngest / Trigger.dev setup, Day 3 inbound webhooks + event bus + idempotency, Day 4 2-way pipeline + conflict resolution + retry / DLQ, Day 5 load testing (10,000 replayed events), monitoring, runbook, 10% canary rollout to production. Ramp to 50% by Day 7, 100% by Day 10, with a 30-day post-go-live guarantee. For 4 to 6 tools in a full architecture, plan for 4 to 6 weeks.
Which CRM, productivity and marketing tools do you integrate?
CRM: HubSpot, Pipedrive, Salesforce, Attio, Folk, Close. Productivity: Notion, Airtable, Coda, ClickUp, Linear. Communication: Slack, Discord, Microsoft Teams, Twilio. Payments / invoicing: Stripe, Lago, Paddle, Chargebee. Marketing automation: Brevo, Lemlist, Customer.io, Loops. Auth: Clerk, Auth.js, Supabase Auth. Code stack: Python (FastAPI, requests-oauthlib), TypeScript (Hono, OAuth4WebApi, Next.js routes), Inngest and Trigger.dev for event-driven orchestration, Postgres / Supabase as the canonical hub. If a tool isn't on this list but exposes a REST API or webhooks, we can integrate it: the work is in the mapping and business rules, not in the connector itself.
How much does a CRM integration cost?
Three price ranges depending on scope. 1-tool ↔ CRM sync (HubSpot ↔ Stripe for example): quote-based, 5 to 10 days of production work, delivered in 2 to 3 weeks. 3-4 tool stack (CRM + invoicing + product + marketing): quote-based, 15 to 25 days of production work, delivered in 4 to 6 weeks. Full 6+ tool stack with data warehouse: quote-based, 30 to 60 days of production work, delivered in 8 to 12 weeks. We price based on a Week 1 scoping (mapping + flows), not on a ballpark guess. You keep 100% of the code and infrastructure: no hidden Zapier-style subscription that balloons with volume.
How long does a full HubSpot integration take?
For a full HubSpot integration (2-way sync with Stripe + internal product + Notion + Slack + marketing tool), plan for 5 to 8 weeks from kickoff to production. Breakdown: W1 stack mapping and business rules, W1-W2 canonical schema design + OAuth2, W2-W3 inbound webhooks and Inngest event bus, W3-W4 2-way sync and conflict resolution, W4-W5 Better Stack observability + dashboards, W5-W6 progressive production rollout (10% then 50% then 100%). A simple 1-way HubSpot ↔ Notion sync takes 7 to 10 days.
Do you need a fullstack developer to integrate Salesforce?
Not if you hire us. We operate as a Uclic team: a senior Growth Engineer fluent in the Salesforce API (Bulk API 2.0, Platform Events, OAuth2 JWT) plus a TypeScript/Python backend developer who writes the sync code. You don't need to recruit a dedicated profile: we deliver turnkey with runbook, documentation and 30 days of post-deployment support. If you already have an in-house fullstack developer, we can switch to pair mode: we architect, review PRs and call out the Salesforce pitfalls (governor limits, sandbox refresh, profile/permission set). You build autonomy without spending 6 months getting up to speed on the Salesforce documentation.