API

Service & API integration: CRM, ERP, payments, analytics

We connect your site with CRM, payments, shipping and accounting. 100+ integrations, from $250.

100+
projects
10+
years of experience
95%
satisfied clients
24/7
support
ABOUT THE SERVICE

Professional service and API integration for business automation

CROPE connects systems and services via API to automate business processes. We link your site with CRM, ERP, payments, analytics and marketing into one ecosystem. We work with REST API, GraphQL, webhooks and other modern data-exchange protocols.

CRM integration

Bitrix24, HubSpot, AmoCRM and custom CRM.

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Payment systems

LiqPay, WayForPay, Stripe and other gateways.

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1C & accounting

Sync with 1C and accounting systems.

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Analytics

Google Analytics, Tag Manager, Facebook Pixel.

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Email marketing

Mailchimp, SendGrid and triggered campaigns.

Messengers

Telegram, Viber, WhatsApp Business.

Custom API

REST API for your internal systems.

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INTEGRATIONS

What we integrate

Typical contours assembled around your processes, not every API at once.

CRM systems

Leads, deals and statuses stay in sync between the site and CRM.
Includes: Bitrix24, HubSpot, AmoCRM, custom CRM.
Result: auto deal creation, status sync.

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E-commerce

Orders, payments, shipping and stock in one flow.
Includes: WooCommerce, OpenCart, Shopify, MODX.
Result: site orders land automatically in accounting.

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Marketing

Ads, email, messengers and site events in the cabinets.
Includes: Google Ads, Facebook, Mailchimp, Telegram.
Result: auto segmentation and triggered campaigns.

Analytics

Goals, events and reports without manual spreadsheets.
Includes: Google Analytics, GTM, Data Studio.
Result: automatic reports, real-time data.

ERP systems

Products, invoices and warehouse without double entry.
Includes: 1C, BAS, custom ERP.
Result: product, stock and price sync.

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Custom APIs

Exchange with internal services, queues and cabinets.
Includes: REST API, GraphQL, SOAP, webhook.
Result: scalable architecture, microservices.

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Ready to automate data exchange between systems?

Get a free audit of your current integrations.

Request an audit
PRICING

Service integration pricing

All prices are in USD and indicative. “Simple” — 1 system with a documented API, no client-side custom work. 1C starts at the business plan. Support — from $50/mo.

Simple integration

from $250 · 1 system, ready API

from $ 250
  • 1 system with documented API
  • No client-side custom work
  • Basic sync
  • 3–7 days
Order

Enterprise/Custom

from $3000 · 5+ systems

from $ 3000
  • 5+ systems
  • Custom API
  • Microservices
  • High load
  • 5–10 weeks
Order

Support

Post-launch support

from $ 50
  • From $50/mo
  • Integration monitoring
  • Updates when APIs change
  • Fixes and alerts
Order
-60%
manual work between systems
-80%
data-entry errors
+40%
team productivity
Real-time
data sync between systems
PROCESS

How we work

Typical timeline: 3–7 days for a simple integration, business — 2–4 weeks, Enterprise — 5–10 weeks.

01

Audit (2–3 days)

Which systems you have and where the data flow breaks. Deliverables: systems audit, data-flow map, recommendations.

02

Map (3–5 days)

Flows, priorities and the exchange contract. Deliverables: API docs, data mapping, integration plan.

03

Access (1–2 days)

Keys, environments and test cabinets without production risk. Deliverables: API keys, test environments, credentials.

04

Integration (1–3 weeks)

APIs, webhooks, queues and error handling. Deliverables: working integration, error handling, logging.

05

Tests (3–5 days)

Live flows: request, payment, status, retry. Deliverables: test report, bug fixes, performance test.

06

Support (ongoing)

Monitoring, logs and growth of the contour after launch. Deliverables: monitoring setup, documentation, support.

PROTOCOLS

Integration protocols and technologies

We pick the protocol for your systems, load and security needs.

REST API

The most popular HTTP-based protocol. JSON, simplicity, scale.

GraphQL

Flexible queries, only needed fields, less traffic, strong typing.

Webhooks

Real-time events instead of polling, instant sync.

SOAP/XML

Enterprise standard, XML, strict typing, WS-Security.

Message Queues

RabbitMQ, Redis for async processing, reliability, scale.

OAuth 2.0

Secure auth, access tokens, delegated access without passwords.

SERVICES

Popular integrations we deliver

We connect CRM, payments, accounting, analytics, marketing and e-commerce.

CRM systems

Bitrix24
HubSpot
AmoCRM
Salesforce
Custom CRM

Learn more

Payment systems

LiqPay
WayForPay
Stripe
PayPal
Privat24

Learn more

Accounting systems

1C:Enterprise
BAS
Excel/Google Sheets
QuickBooks

Learn more

Analytics

Google Analytics
Google Tag Manager
Facebook Pixel
Hotjar

Marketing

Mailchimp
SendGrid
Telegram Bot
Viber
WhatsApp Business

E-commerce

WooCommerce
OpenCart
Shopify
MODX

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AUTOMATION

What can be automated

We take the routine the team still does by hand every day.

Sales

Leads, funnel and statuses without copy-paste.
Examples: auto CRM lead from site form, deal status sync, manager alerts.

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Logistics

Waybills, delivery statuses and client notices.
Examples: auto Nova Poshta TTN, SMS to client, delivery tracking.

Finance

Payments, invoices and cash or bank reconciliation.
Examples: auto invoices, bank payment sync, finance reports.

HR

Forms, onboarding and internal requests.
Examples: auto account creation, document send, onboarding tracking.

Support

Site tickets into helpdesk and status back.
Examples: ticket from form, auto-replies, status sync.

Warehouse

Stock, reserve and storefront updates.
Examples: 1C ↔ site stock sync, auto reserve, low-stock alerts.

CASES

Integration cases

Examples where the API became a working contour, not a one-off hook.

Duvento SaaS platform for web agencies

Duvento

SAAS
-85% · Deadline time · -94% · Missed · 500+ · Agencies
SaaS for web agencies: domain, SSL and hosting deadlines with auto-reminders.

View case study
DNS PAY payment gateway on MODX

DNS PAY

FINTECH
+120% · B2B requests · +95% · SEO traffic · 92 · PageSpeed
International payment gateway: 100+ currencies, PCI DSS, API docs and multilingual support on MODX.

View case study
Door online store on MODX

BEREZHA

E-COMMERCE
+180% · Requests · +140% · SEO traffic · 3.8% · Conversion
Door online store: 500+ SKUs, smart filtering, warehouse and consultations on MODX + miniShop2.

View case study
Voyanty SaaS: Excel to business system

Voyanty

SAAS
100+ · Excel files · 500+ · Workspaces · -85% · Time saved
SaaS: Excel → business system with relations, formulas, dashboards and automation.

View case study

Like these projects?

Let’s build a reliable integration for your business.

Discuss integration

Ready to automate data exchange?

A short systems audit — then a plan of what to connect first.

Contact us
FAQ

Common questions

We work with REST API, GraphQL, SOAP, XML-RPC and webhooks. Most often we use REST JSON API as the common standard.

Simple (1 system with a ready API) — 3–7 days. Business (2–3 systems or 1C) — 2–4 weeks. Enterprise — 5–10 weeks.

Simple — from $250, business — from $1000, Enterprise — from $3000. Support — from $50/mo. Exact quote depends on systems and API docs.

One system with a documented API (Nova Poshta, LiqPay, Monobank, KeyCRM, Bitrix24, etc.) and no client-side custom work. 1C and systems without an API start at the business plan.

Yes, but that is the business plan or higher: file exchange, webhooks, a queue or a custom connector. Reverse engineering adds about 20–30% to the timeline.

We use HTTPS/SSL, OAuth 2.0, API keys and JWT. Data is encrypted in transit. We add rate limiting and DDoS protection.

We plan API versioning and an abstraction layer. Support with updates when APIs change — from $50/mo.

Yes — full technical docs: data schema, endpoints, request examples and support instructions.

We create a test environment and mocks, write unit and integration tests, then check edge cases, errors and load.

Yes — via middleware, file exchange, database bridges or custom connectors.

We aim for 99% stable operation. Monitoring, logging and error alerts are included. SLA depends on the support plan.

Need a consultation?

Write to us — we will suggest a format and the next step.

Discuss the project

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