Messaging
A2P messaging with sender, route and provider policy controls.
View API contract →SignalGrid unifies messaging, verification, network intelligence and connectivity behind explicit authorization, economic safety, operational observability and regulatory evidence.
POST /v1/messages
X-API-Key: sg_••••
Idempotency-Key: 8fc4••••
{
"destination": "22177•••••••",
"sender_id": "SIGNALGRID",
"body": "Your code is 482901",
"mcc": "608",
"mnc": "01",
"traffic_type": "otp"
}
202 Accepted · tenant policy appliedEach product shares the same identity, billing, policy, audit and observability foundation rather than becoming another isolated API.
A2P messaging with sender, route and provider policy controls.
View API contract →OTP workflows with durable lifecycle and delivery evidence.
View API contract →Network and number signals exposed through scoped APIs.
View API contract →Risk controls for SIM-swap and sensitive telecom workflows.
View API contract →eSIM and connectivity operations through authorized providers.
View API contract →A regulator-native evidence plane for compliant supervision.
View API contract →The product UI never bypasses backend policy. It explains the state returned by SignalGrid and makes operational evidence understandable.
Tenant, API key and scope.
Sender, product, provider and policy.
Prepaid reservation and economic safety.
Route to the authorized delivery provider.
DLR, capture, audit and regulatory provenance.
SignalGrid separates customer operations, internal NOC controls and regulator-facing evidence. The ARTP portal is designed around least privilege, aggregation and auditable access.
Start with the customer console, then bind the experience to production API contracts as they qualify.