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LesterTechLabs

APIs

API Marketplace production-ready integrations

Payments, messaging, OCR, and authentication — sandbox keys, clear rate limits, and docs you can ship against.

Browse APIs Getting started
api.lestertechlabs.com

POST /v1/payments/intents

201 Created

{{ body|default:"{
  \"status\": \"success\",
  \"data\": { ... }
}" }}

4

Categories

Payments, messaging, OCR, auth

Sandbox

First

Test keys before go-live

the region you serve

Region focus

Lower latency for local traffic

Docs

Per API

Endpoints, examples, errors

One catalog. Clear next steps.

Pick a category, open an API for overview and limits, then jump into endpoint docs. Start in sandbox — go live when your integration is ready.

  1. Step 01

    Browse the catalog

    Filter by category and open the API that matches your use case.

  2. Step 02

    Call with a sandbox key

    Authenticate with X-API-Key and verify against /v1/health first.

  3. Step 03

    Ship from the docs

    Use endpoint references, webhooks, and rate limits for production.

Payments

Mobile money and card payment APIs for the markets you serve.

Category page →

Payments API

v1

M-Pesa and payment intents for checkout flows.

Create payment intents, trigger STK Push, and receive webhook updates. Built for merchants and platforms that need predictable mobile money UX.

M-Pesa STK Push and C2B flows Sandbox + production keys Idempotent payment intents

POST /v1/payments/intents

1,200/hr · Apikey

View API

Messaging

SMS and WhatsApp messaging for transactional alerts.

Category page →

Messaging API

v1

SMS and WhatsApp delivery with receipts.

Send OTPs, alerts, and transactional messages across major networks. Track delivery status with webhooks and manage sender IDs from your workspace.

SMS delivery across major networks WhatsApp templates (where provisioned) Delivery receipts via webhooks

POST /v1/messages

2,000/hr · Apikey

View API

OCR

Document intelligence for IDs, receipts, and statements.

Category page →

OCR API

v1

Extract structured fields from business documents.

Upload IDs, receipts, and bank statements to extract structured JSON. Supports async jobs for larger files and layouts common across the region you serve.

IDs, receipts, and bank statements JSON field extraction Async jobs for large files

POST /v1/ocr/jobs

600/hr · Apikey

View API

Authentication

Identity helpers and token workflows for apps.

Category page →

Authentication API

v1

Tokens and workspace auth patterns for integrations.

Issue short-lived tokens, validate sessions, and secure service-to-service calls. Use with marketplace APIs to keep secrets on the server.

API-key and OAuth-ready patterns Session and token helpers Webhook-signed events

POST /v1/auth/token

1,500/hr · Apikey

View API

Next

Keep building

Getting started

Create a key and make your first request.

Open

Developer hub

Auth, errors, SDKs, and platform guides.

Open

Documentation

Broader tutorials beyond a single API.

Open
FAQ

Marketplace FAQs

Keys, sandbox, and where to find docs.

How do I get an API key?

Start with Getting Started to request access, then generate a sandbox key. Keep production keys in environment variables — never in frontend code.

Are these live production APIs?

Marketplace pages document our public API surface. Sandbox is available for integration testing; production activation depends on your plan and compliance checks.

Where are rate limits and errors documented?

Each API product page lists rate limits. Shared guides cover authentication, error codes, and rate-limit best practices under Developers.

Integrate faster

Need a custom API or higher limits?

Tell us your use case — payments, messaging, OCR, or identity — and we'll recommend the right path.

Getting started
  • Free estimate · reply in 1 business day
  • Production delivery · remote-first
  • M-Pesa, cloud, and AI ready

Next step

Start your project

  1. 1 Tell us about your goals
  2. 2 Get a tailored proposal
  3. 3 Ship with LesterTechLabs
hello@lestertechlabs.com Or visit the contact page