API Limits
Document rate limits, throughput and usage constraints.

DIDWire
Per-API limits
Developer experience
Build against documented APIs
Public discovery endpoints expose only approved data. Administrative and MCP writes remain permissioned and auditable.
curl -X POST "https://api.didwire.example/v1/messages" \
-H "Authorization: Bearer sk_live_..." \
-H "Content-Type: application/json" \
-d '{
"to": "+14155550199",
"channel": "sms",
"body": "Your DIDWire verification code is: 482901"
}'
# Response: 202 Accepted
{
"id": "msg_9f82d1c0",
"status": "queued",
"segments": 1
}API Limits
Burst behavior
Burst behavior
Product-specific detail
Burst behavior. Document rate limits, throughput and usage constraints.
API Limits
429 handling
429 handling
Product-specific detail
429 handling. Document rate limits, throughput and usage constraints.
Pricing Transparency
Bulk strategies
Check Approved Rates
DIDWire
Request increase process
Read quickstart
Start with the commercial and technical requirement.
Create server-side integration
Keep each decision explicit, reviewable and backed by configured data.
Validate webhooks and errors
Keep each decision explicit, reviewable and backed by configured data.
Move to production controls
Use monitoring, support and audit paths once production is active.
Build carrier-grade voice, messaging, and numbering into your app.
Low-latency global API edge gateway, official SDKs (Node, Python, Go, PHP), asynchronous event webhooks, and comprehensive sandbox environment.
Transparent Commercial Rates
Browse transparent A-Z rate decks, local DID pricing, and SMS volume tiers with zero hidden commitments.
- Live country-by-country rate search
- Downloadable CSV rate decks
- Flexible prepaid or billed terms
Enterprise & High-Volume Interconnect
Custom CPS limits, bilateral carrier agreements, dedicated account management, and SLA contract guarantees.
- Custom committed CPS thresholds
- 24/7 dedicated NOC escalation desk
- STIR/SHAKEN Level-A token signing
Programmable CPaaS APIs
Integrate voice calling, SMS/RCS messaging, and DID provisioning into your software stack in minutes.
- RESTful endpoints & real-time webhooks
- Official Node, Python, Go, and PHP SDKs
- Instant sandbox test environment