How to Integrate Agentic AI into Your ERP System
API connectors, workflow mapping and data layers for ERP integration
API Development Company
API Development & Integration Services
Your one-stop API partner. We design robust REST, GraphQL and gRPC APIs, and connect your product to the CRMs, payment, ERP and third-party systems it needs, securely and reliably.
Trusted by teams worldwide
Full-Cycle API Engineering and Integration
From a single endpoint to a connected platform. Six service lines cover every part of building and integrating modern APIs.
01
Custom API Development
- REST, GraphQL or gRPC
- Clean, documented contracts
- Auth, roles and rate limiting
- Pagination, filtering and caching
- Versioning and SDKs
02
Third-Party Integrations
- CRM, ERP and helpdesk
- Payments and accounting
- Shipping, maps and comms
- Data sync and mapping
- Reliable retries and logging
03
API Gateways & Security
- Gateway and traffic management
- OAuth2, JWT and API keys
- Rate limiting and throttling
- WAF and threat protection
- Zero-trust access
04
Event-Driven & Webhooks
- Webhooks and event streams
- Queues and message brokers
- Idempotency and delivery guarantees
- Real-time data pipelines
- Decoupled architecture
05
Legacy & Data APIs
- APIs over legacy systems
- Database and file exposure
- ETL and data transformation
- Secure data access
- Gradual modernisation
06
Docs, Testing & SLAs
- OpenAPI and developer portals
- Contract and load testing
- Monitoring and alerting
- Uptime SLAs
- Sandbox environments
Deep Capabilities
Reliable APIs, Not Brittle Glue Code
Six engineering disciplines behind every API and integration we ship, and the tools we use for each.
REST & GraphQL APIs
Well-designed, documented APIs with versioning, auth, pagination and caching.
Integrations
Reliable connections to CRMs, payments, ERPs and any third-party system.
Security & Auth
OAuth2, JWT, API keys and gateways that keep your APIs safe and controlled.
Event-Driven
Webhooks, queues and streams with delivery guarantees and idempotency.
Data & Legacy
APIs over databases and legacy systems, with ETL and safe data access.
Docs & Testing
OpenAPI docs, developer portals, contract tests and monitoring with SLAs.
Free Integration Audit
Connecting Systems? Get a Free Integration Audit.
A short call and a look at the systems you want to connect tells you exactly what is possible, the cleanest approach and a fixed budget. So your first dollar goes toward something reliable.
Get Your Free AuditFree · No obligation · Delivered within 48 hours
Our Process
From Spec to Live Integration in Five Phases
A clear, low-risk process that keeps you in the loop at every step.
1
Week 1
Discovery
We map the systems, data and use cases, choose the approach and agree a fixed quote.
2
Week 1–2
Design
API contracts, data mapping and security design before we build.
3
Week 2–7
Development
We build APIs and integrations in sprints with tests and demos.
4
Week 5–8
QA & Security
Contract, load and security testing, plus a sandbox to try it out.
5
Ongoing
Launch & Monitor
Go live with docs, monitoring, alerting and an uptime SLA.
Measurable Impact
Numbers From Shipped APIs
200+
Projects shipped
APIs and integrations delivered for startups and enterprises worldwide.
99.9%
Uptime SLA
Monitored, reliable APIs that stay available under load.
500+
Integrations built
Connections to CRMs, payments, ERPs and third-party systems.
10K+
Requests / sec
Throughput our gateways and APIs handle in production.
Case Studies
Work We've Shipped
Products we have shipped across digital health, streaming and voice AI, plus a solution showcase that connects voice calls to Odoo.
LIVE IN PRODUCTION
DeepRest: Anxiety & Sleep Relief App
Paced breathing, a 21-day anxiety reset and night-time audio that keeps working on a bad connection.
95%Users feel calmer
21-dayAnxiety reset
HIPAA-READY BUILD
KALBI: Telecardiology ECG Review
Patients upload an ECG from their phone and a cardiologist returns a signed report inside 24 hours.
24hSigned report
100%Cardiologist reviewed
LIVE IN PRODUCTION
Ideal TV: OTT Streaming Platform
100+ live channels, movies and sport across mobile, web and connected TV, with one billing spine behind it.
100+Live channels
4Platforms shipped
15,000+Viewers
SOLUTION SHOWCASE
Voice AI + Odoo: Conversation to Action
Voice calls connected to Odoo CRM and ERP: identity checks first, a verified order status read from the record, and a clear route to a person.
6Connected workflows
4Steps, call to record
LIVE IN PRODUCTION
AI Voice Agent for Doctors & Hospitals
A HIPAA-ready voice agent that answers every patient call, books into the clinical system and hands over to a person when it should.
70%Front-desk load removed
24/7Calls answered
0Voicemails left
Tech Stack
The Stack Behind Our APIs
REST
GraphQL
gRPC
OpenAPI
OAuth2
JWT
Node.js
Python
Kong
Postman
Webhooks
Kafka
AWS API Gateway
Stripe
Twilio
GraphQL
gRPC
OpenAPI
OAuth2
JWT
Node.js
Python
Kong
Postman
Webhooks
Kafka
AWS API Gateway
Stripe
Twilio
Industries
Built for Your Vertical
Every bullet is something we've actually shipped, not a sales pitch.
01
Healthcare & Fitness
HIPAA-ready products for patients, providers and wellness.
- Booking and telehealth
- Wearable integration
- Secure patient records
02
Fintech & Banking
Secure, compliant products for payments and money movement.
- Wallets and KYC flows
- Biometric auth
- Real-time transactions
03
Retail & eCommerce
Commerce that converts and keeps customers coming back.
- Catalog and checkout
- Recommendations
- Loyalty and campaigns
04
On-Demand & Logistics
Real-time products for delivery, dispatch and field teams.
- Live tracking and routing
- Driver and customer apps
- In-app payments
05
EdTech & Learning
Engaging learning products for students and coaches.
- Courses and quizzes
- Live classes
- Gamification
06
Real Estate & PropTech
Property products for search, tours and lead capture.
- Map search
- Virtual tours
- In-app enquiries
Client Voices
Trusted By Teams Who Ship
“Appther built our student competition app exactly the way we envisioned it: easy registration, smooth judging, and real-time results that keep participants engaged.”
Dionna MilemOwner · My BOB Team LLC
“Building a mental health app means every detail has to be handled with care, and Appther got that from day one. The product feels warm, simple, and genuinely helpful.”
Bob SinghalProfessor of Joy · Joyscore Inc
“Appther exceeded every expectation, on time and on budget, and the final product has been instrumental in scaling our business. A rare engineering partner.”
Johnathan PefferCEO · Bull's Eye Technologies Inc
“Implementing an ERP across our operations felt daunting at first, but Appther made the transition seamless. Every department now works off a single source of truth.”
Pushpender KumarGeneral Manager · A.B. Sugars Ltd
Latest Insights
Notes on Building Great APIs
Field notes from real builds. No hype, just what worked and what didn't.
AI Voice Assistant CRM Integration: Step-by-Step Guide
Integration walkthrough for Salesforce, HubSpot, Odoo and Dynamics 365
AI Integration in ERP Systems: A Practical 2026 Guide
Where AI plugs into ERP workflows, with real Odoo integration examples
Free 30-Minute API Strategy Call
Connected Products Start With One Conversation. Yours Starts Here.
Walk away from one call with a clear integration plan, the right API design, a realistic budget range and a delivery timeline. No pitch deck, no obligation.
Scope shortlist
Budget range
Delivery timeline
Book My Free Call
200+Projects delivered
4.9★Client rating
15+Countries served
99.9%Production uptime
Keep exploring
Industries we build this for
FAQ
Questions We Hear Every Week
It depends on scope. A focused API or integration starts in the low five figures, while API platforms and many integrations run higher. You get a clear, fixed-price quote after a free scoping call.
Yes. We integrate with CRMs, ERPs, helpdesks, payments, accounting, shipping and custom platforms through secure APIs, webhooks and event-driven pipelines.
All three. We recommend the right style for your use case, and can expose the same data through more than one where it makes sense.
With idempotency, retries, delivery guarantees, monitoring and alerting. We design integrations so a third-party hiccup never loses your data.
Yes. We deliver OpenAPI docs and developer portals, and offer monitoring with uptime SLAs so your APIs stay reliable and easy to use.
Absolutely. You own 100% of the source code and integration setup. We can also sign an NDA before any discovery conversation.
An Engineer Replies Within One Business Day
Let's Build Your APIs
Tell us what you need to build or connect. No sales pitch, just a straight answer on approach, scope, timeline and cost.
Free 30-min strategy callScoping and honest, practical advice.
Fixed-price quoteDetailed scope and price after discovery, no surprises.
NDA on requestYour idea and code always stay yours.
Prefer to talk now?+91 99114 32288 · info@appther.com
Book Your Free Strategy Call
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