The full documentation awaits
OpenAPI specification, integration guides, code examples and sandbox environment. Sign your partnership agreement for full access.
API & Integrations
Connect your tools to the private market infrastructure
A REST API designed for investment professionals. Automate subscription, compliance and investor tracking from your own systems.
What you can build
Our API covers the entire lifecycle of private market investment. Each building block integrates independently into your existing systems.
Embeddable workflows
Turnkey workflows, without building any UI
Investors
Multi-wallet management, natural and legal persons, integrated KYC and complete subscription history.
Distributors
IFA and advisor onboarding, KYD compliance, distribution agreements and referral tracking.
Subscriptions
Complete lifecycle: creation, electronic signature, suitability report and validation.
Capital calls
Multi-instalment tracking, schedules and collections for staged payment offerings.
Payments
Payment tracking, banking details and real-time statuses per subscription.
Documents
Subscription forms, suitability reports, engagement letters and source of funds documentation.
Offering catalogue
Access available investment offerings and their documentation in real time.
Webhooks
HMAC-signed real-time notifications for every KYC, KYD and subscription status change.
An experience designed for developers
Modern standards, test environment and technical support. Everything you need to integrate quickly and confidently.
Bearer authentication
Secure access token, simplified rotation. One token per environment for fast, frictionless integration.
Native JSON
JSON requests and responses. Pagination, filters, sorting and related resource inclusion in a single call.
Dedicated sandbox
Isolated test environment with dummy data and predefined scenarios. Validate your integrations before going live.
Enhanced security
Mandatory HTTPS, HMAC-SHA256 webhook signatures, rate limiting and GDPR compliance. Data encrypted at rest and in transit.
Signed webhooks
Six event types covering KYC, KYD and subscriptions. Each payload is cryptographically signed to guarantee integrity.
Dedicated technical support
A dedicated technical contact for your integration. Chat, email and phone, from sandbox to go-live.
Embeddable workflows
Integrate compliant workflows in a few lines of code
Investor KYC, distributor compliance, subscription and payment: each workflow is accessible via a unique secure link generated by the API.
Your users complete the workflow in an optimised Caption interface, then are automatically redirected to your application. You receive a webhook for every status change.
No interface to build, no sensitive data to store. The workflow is compliant with ACPR and AMF requirements from day one.
Discover the platform99.9%
API uptime
6
webhook types
48h
for a first integration
€110M+
processed via our platforms
From sandbox to go-live
A structured process for rapid and secure production deployment.
1
Partnership agreement
Signature of the partnership agreement and confidentiality agreement. You receive your sandbox credentials and complete technical documentation (OpenAPI specification, guides, code examples).
2
Exploration and prototyping
Test the main features in the sandbox environment: investor creation, KYC workflow, subscription and webhooks. Our technical team is continuously available.
3
Development and validation
Implement your workflows in your environment. We validate each scenario together before going to production.
4
Production launch
Activation of your production keys and supervision of the first live workflow. Enhanced monitoring and support during the first weeks.
Frequently asked questions
The complete technical documentation (OpenAPI specification, integration guides, code examples) is accessible after signing your partnership agreement. Contact our team to start the process.
A first functional integration is possible in under 48 hours. The complete process — from agreement signature to production launch — typically takes 2 to 4 weeks depending on the complexity of your workflows.
The API covers the entire cycle: investor and distributor management, KYC and KYD compliance, subscription with electronic signature, payment tracking, capital calls and access to the offering catalogue. Every status change triggers a real-time webhook.
No. Critical workflows (KYC, KYD, subscription) are available as secure webviews. A simple link generated by the API is sufficient. Your users complete the workflow in a compliant interface, then are redirected to your application.
Yes. Mandatory HTTPS, Bearer token authentication, rate limiting at 60 requests per minute and HMAC-SHA256 signed webhooks. Data is encrypted at rest and in transit, in compliance with GDPR.
Yes. Each partner has an isolated sandbox environment with dummy data and predefined test scenarios. You can validate all your workflows before going to production.
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Request your API access
Partnership agreement, sandbox credentials and complete documentation. Our technical team will get back to you within 24 hours.