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Developers/Reliability & Limits/CAPACITY & THROTTLING
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Hub
Quickstart Guide
5 min
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v1
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Async
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100 req/s
Idempotency & Retries
24h Safe
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2026.08
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CAPACITY & THROTTLINGVerified API v1Updated: August 12, 2026

Design around predictable API limits.

phoneveriflo applies deterministic Token Bucket rate limiting to guarantee high availability, low latency, and fair resource distribution across all customer tiers.

Get your API key Open API SandboxOpenAPI 3.1 Spec
HTTPS / Bearer Auth
HTTP/1.1 202 Accepted
RateLimit-Limit: 100
RateLimit-Remaining: 94
RateLimit-Reset: 1
Content-Type: application/json
Authentication

All requests require Bearer authorization with high-entropy secret tokens.

Bearer pv_live_...→
Idempotency

Prevent duplicate jobs and safe automatic retries using 24h unique keys.

Idempotency-Key: uuid→
Rate Limits

Predictable Token Bucket model at 100 req/s with standard Retry-After headers.

100 req/s burst→
Stable Versioning

Strict date-based compatibility guarantees with 12-month deprecation windows.

v1 (2026-08-11)→
Interactive Sandbox

Test API Requests in Real Time

Build and simulate verification requests directly in your browser. Generates live code snippets and previews the exact response schema.

Sandbox Mode
3 rows
Simulated Response

Configure request parameters and click Send Request to preview live execution.

Standard Tier Rate Limits

Token Bucket

Capacity thresholds allocated per organization.

Rate limits are enforced at the organization level: POST /api/v1/jobs: 100 req/s burst, 1,000 req/min sustained, 10 active concurrent jobs. GET status/results: 200 req/s.

Interactive Tool

Token Bucket Velocity Simulator

Adjust the client request velocity slider to see how rate limit headers and burst buckets behave.

Burst Ceiling
100 req/s
Status
202 Accepted
RateLimit-Limit: 100
RateLimit-Remaining: 65
RateLimit-Reset: 1
Retry-After: 0
Frequently Asked Questions

Common Integration Questions

Do cache hits consume my rate limit quota?

Yes, API rate limits measure HTTP request velocity regardless of whether a job resolves via cache or live network checks. However, cache hits resolve in milliseconds and do not hold worker job slots.

Related Guides & API References

API Errors & Codes→

Learn how to detect and handle 429 Too Many Requests

Idempotency Keys→

Safely retry throttled requests without side effects

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