CAMARA is the Telco Global API Alliance — an open-source project hosted by the Linux Foundation that defines, builds, and tests a unified set of network APIs across the world's mobile operators. Working alongside the GSMA Open Gateway commercialization initiative, CAMARA produces operator-neutral OpenAPI 3.0 specifications for 60+ telco network capabilities including Number Verification, SIM Swap, Device Location, Quality on Demand, KYC, Carrier Billing, Edge Discovery, Device Status, SMS, and more — all published under Apache 2.0. The project is organized into Sandbox, Incubating, and Graduated sub-projects with cross-cutting Commonalities, Identity and Consent Management, and Release Management working groups. Major contributors include Deutsche Telekom, Orange, Telefonica, Vodafone, T-Mobile, Verizon, AT&T, KDDI, SK Telecom, China Mobile, and dozens of other operators and vendors.
APIs.json: https://raw.githubusercontent.com/api-evangelist/camara-project/refs/heads/main/apis.yml
- Position: Producing
- Access: 3rd-Party
- API Standards
- CAMARA
- GSMA
- Linux Foundation
- Network APIs
- Open API
- Open Gateway
- Open Source
- Standards
- Telco
- Telco API Alliance
- Telecom
- Telecommunications
- Created: 2026-05-25T00:00:00.000Z
- Modified: 2026-05-25
Verify or retrieve the mobile phone number currently allocated by the network operator to the SIM in the end user's device. Uses silent network-based or SIM-based authentication (no SMS OTP, no app download) to confirm possession of a phone number at sign-up, login, or transaction time. Returns true/false on verify or the masked phone number on retrieve.
- Authentication
- Identity
- Number Verification
- Phone Number
- Silent Auth
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Detect whether the SIM associated with a mobile phone number has recently been swapped to a different SIM. Returns the most recent SIM swap timestamp or a boolean check for a configurable look-back period. Critical fraud signal for banking, fintech, crypto, and any service relying on SMS OTP. Includes both an on-demand query API and an event subscriptions API for CloudEvents push notifications.
- Human URL: https://github.com/camaraproject/SimSwap
- Anti-Fraud
- Fraud Prevention
- Identity
- SIM Swap
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Retrieve the network-derived location of a mobile device, verify whether a device is within a given geographic area, or subscribe to geofencing entry/exit events. Location is provided by the mobile operator based on the network's view of the device — not from device GPS — so it works without an app, cannot be spoofed by GPS, and can be used for fraud detection, regulatory verification, and asset tracking.
- Device Location
- Geofencing
- Location
- Location Verification
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Request elevated network Quality of Service for a specific device-application session — committed bandwidth, low latency, or prioritized traffic — for a bounded time window. Includes a profiles catalog (discover available QoS classes), session management (create/get/delete QoS sessions), and a provisioning surface for longer-lived attachments. Foundational 5G monetization API.
- 5G
- Network Slicing
- QoS
- Quality on Demand
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Query whether a mobile device is reachable on the network, currently roaming, and what type of network it is connected to (2G, 3G, 4G, 5G, NB-IoT). Used by IoT fleet management, customer support diagnostics, and pre-flight checks before invoking other CAMARA APIs.
- Connected Network Type
- Device Status
- Reachability
- Roaming
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
KYC sub-project bundling three identity APIs. KYC Match scores a supplied set of customer attributes (name, address, DOB, document number, etc.) against the operator's records. KYC Fill-In returns operator-held customer attributes to pre-populate an onboarding form. KYC Age Verification returns whether the subscriber is over a minimum age threshold without disclosing the date of birth.
- Age Verification
- Identity
- Identity Verification
- KYC
- Know Your Customer
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Send a one-time password via SMS to a target phone number and validate the code returned by the user. Operator delivers the SMS through the home network, so messages bypass third-party aggregators and inherit higher deliverability and trust.
- Authentication
- OTP
- One Time Password
- SMS
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Detect whether the device (IMEI) associated with a phone number has recently changed. Complements SIM Swap as a fraud signal — a fresh device or SIM behind a known phone number can indicate account takeover.
- Human URL: https://github.com/camaraproject/DeviceSwap
- Anti-Fraud
- Device
- Device Swap
- Fraud Prevention
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Discover the optimal Multi-access Edge Computing (MEC) endpoint for a given client device. The operator returns the closest edge data center URL based on the device's current network attachment so latency-sensitive applications (gaming, AR/VR, real-time inference) can route to the nearest compute.
- Edge Cloud
- Edge Computing
- MEC
- Simple Edge Discovery
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Direct Carrier Billing checkout — initiate a one-time or recurring charge against the subscriber's mobile phone bill, with confirmation and refund flows. Lets merchants accept payment from users without a card or bank account.
- Billing
- Carrier Billing
- Direct Carrier Billing
- Payments
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Aggregated, anonymized counts of mobile devices observed in a target geographic area over a time window. Powers smart-city planning, retail footfall analytics, event crowd management, and emergency response — without exposing any individual identifier.
- Analytics
- Network Insights
- Population Density
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Quality on Demand applied to fixed-broadband home networks — request boosted bandwidth or prioritized traffic for a specific device behind a home gateway for a bounded time window.
- Broadband
- Home Network
- QoS
- Quality on Demand
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Detect whether a subscriber currently has unconditional, busy, no-reply, or unreachable call forwarding configured. Fraud signal used in conjunction with SIM Swap and Number Verification to detect account-takeover attempts that re-route voice OTPs.
- Anti-Fraud
- Call Forwarding
- Fraud Prevention
- Telecom
- Voice
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Send SMS messages programmatically with operator-delivered routing. Includes a delivery-notification subscription surface for CloudEvents callbacks on message status (delivered, failed, expired).
- Messaging
- SMS
- Short Message Service
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Real-time connectivity quality insights — measured throughput, latency, jitter, and signal classification — for a target device. Used by applications to adapt quality (bitrate, codec, fallback) to real network conditions, or to trigger a Quality on Demand session when needed.
- Analytics
- Connectivity
- Insights
- Telecom
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
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