[eSIM resource library](/esim-api)

# From a useful answer to a working connection.

Understand the service, design the customer journey and prepare the operating team. Find the guide behind each stage, from a traveler’s first install to a subscriber’s next renewal.

[Start for Free](/dashboard/signup?returnTo=%2Fdashboard%2Fw%2Fesim)

[Contact sales](/demo?product=esim&source_page=%2Fesim-api%2Fresources)

## Set up with your agent

[Read the agent setup guide](/docs/ai/set-up-your-agent)

Copy this prompt into your coding agent:

```text
Bird connects customer communications, data and automation. Help me build with Bird using my coding agent.
1. Read https://bird.com/docs/ai/set-up-your-agent.md and follow its setup workflow for this client. Use an existing connected Bird MCP server or signed-in CLI when available.
2. Read the product guide for the task I want to complete and inspect my existing integration. Identify the workspace, available operations and required setup.
3. Help me complete a first example for the product and destination I choose. Follow the operation through to its actual result, explain any uncertainty, and help me choose the next step.

Use this Bird page as the starting context: https://bird.com/esim-api/resources
Read its Markdown alternative and linked guides. Keep the first example relevant to this page and the customer outcome I choose. Preserve the supplied campaign context when following Bird signup or sales links.
```

[Read customer stories](/customers)

[Explore Enterprise](/enterprise)

- [Airwallex](/customers/airwallex)
- [Glovo](/customers/glovo)
- [Zillow](/customers/zillow)
- Uber
- [Binance](/customers/binance)
- Adobe
- Meta
- PayPal
- Pinterest
- Square
- [Al Jazeera](/customers/aljazeera)
- [Aramex](/customers/aramex)
- [Bazaar Technologies](/customers/bazaar)
- [ComparaOnline](/customers/compara)
- [Emma](/customers/emma)

## Choose a customer journey

- [Travel eSIMs](/esim-api/features/travel): Bring destination data, installation and top-ups into your travel experience.
- [Mobile plans](/esim-api/features/mobile-plans): Offer recurring data, calls and SMS with renewals and number portability.
- [Employee connectivity](/esim-api/features/employee-connectivity): Connect employee onboarding, company-paid plans, travel and offboarding.
- [Embedded connectivity](/esim-api/features/embedded-connectivity): Put plan selection, checkout and subscriber self-service inside your app.
- [Coverage and networks](/esim-api/features/coverage): Match the itinerary to the destinations and services in the selected offer.
- [Device compatibility](/esim-api/features/device-compatibility): Check the model, carrier lock and setup method before the first purchase.

## Build and operate the service

- [eSIM connectivity guide](/docs/guides/esim/overview): Start with the service model and find the guide for the customer journey.
- [Check device and coverage requirements](/docs/guides/esim/device-and-coverage): Prepare exact device, destination and included-service requirements before selecting an offer.
- [Integrate eSIM connectivity](/docs/guides/esim/api): Connect the eSIM catalog, purchase, installation and service lifecycle to your application using the current Bird contract and recorded outcomes.
- [Embed a connectivity journey](/docs/guides/esim/embedded-connectivity): Connect plan selection, purchase, installation and subscriber management to an existing app or customer portal.
- [Roll out employee connectivity](/docs/guides/esim/employee-connectivity): Assign approved mobile plans or travel data, verify employee setup and keep role changes and offboarding connected to service actions.
- [Guide eSIM installation](/docs/guides/esim/installation): Prepare a private eSIM setup journey, choose the appropriate device method and verify the services included in the plan.
- [Manage a recurring mobile plan](/docs/guides/esim/mobile-plans): Prepare a subscriber, activate a mobile plan and manage renewal, plan changes and service termination.
- [Bring an existing mobile number](/docs/guides/esim/number-porting): Check porting eligibility, collect the donor provider’s requirements and verify the subscriber’s service after the move.
- [Resolve a connectivity service issue](/docs/guides/esim/operations): Investigate an eSIM or mobile plan through its order, billing, installation and network observations, then follow the permitted resolution.
- [Offer travel data](/docs/guides/esim/travel): Prepare and deliver a travel eSIM, verify installation and help a traveler use or replenish the selected package.
- [Inspect usage and add a top-up](/docs/guides/esim/usage-and-top-ups): Read an eSIM allowance with its observation time, select a compatible top-up and follow the purchase to fulfillment.

## eSIM explained

- [Is installing an eSIM the same as activating a plan?](/explained/esim/installation-vs-activation): Understand eSIM installation, enabled profiles, network connection and package activation so customers know when to set up and when validity begins.
- [Is an eSIM top-up the same as a renewal?](/explained/esim/top-up-vs-renewal): Compare eSIM top-ups and mobile-plan renewals, including compatibility, activation, allowance, validity and the effect on an existing service.
- [How is a travel eSIM different from a mobile plan?](/explained/esim/travel-esim-vs-mobile-plan): Compare travel eSIM packages and recurring mobile plans by allowance, phone number, voice and SMS, validity, renewal and the customer journey.
- [What is an eSIM?](/explained/esim/what-is-an-esim): Understand the difference between an eSIM profile and the mobile service it uses, including installation, coverage, device support and plan terms.
- [What is mobile number porting?](/explained/esim/what-is-mobile-number-porting): Understand mobile number porting, account requirements, declined requests and the difference between moving a number, installing an eSIM and ending a plan.
- [Why can eSIM usage updates be delayed?](/explained/esim/why-esim-usage-can-be-delayed): Understand delayed eSIM usage reports, observation times and package states, and how to present balances and top-up decisions without misleading customers.

## Make your next decision

- [eSIM and mobile connectivity](/esim-api): Explore the complete platform and its customer journeys.
- [Getting started](/esim-api/getting-started): Prepare one controlled purchase-to-first-use journey.
- [eSIM FAQs](/esim-api/faqs): Find answers about plans, installation, usage and operations.
- [Plans and pricing](/esim-api/pricing): Review what the offer includes and how it is charged.
- [Bird vs Gigs](/esim-api/compare/bird-vs-gigs): Compare embedded connectivity and subscriber operations.

## Plan a provider transition

- [Migrate from Gigs](/docs/guides/esim/migrate/gigs): Map customers, active plans, profiles, payments and porting before a controlled transition.
- [Compare connectivity platforms](/esim-api/compare): Review providers and prepare a service transition.

## Turn the next question into a clear plan.

Bring the customer journey you want to build. Our connectivity team can help review markets, plan types, integration and the ongoing service model.

[Start with the eSIM guide](/docs/guides/esim/overview)