Atomic · Rate Limits

Atomic Fi Rate Limits

Atomic does not publish specific public rate-limit numbers for its UserLink and PayLink APIs. Limits are applied per account/credential and negotiated as part of the enterprise agreement. Backend endpoints are authenticated with API Key + Secret and are expected to be called from a server, not the client. Task processing is asynchronous - work is queued and completion is signaled via task status and webhooks rather than synchronous request rate. Specific per-endpoint values are not reconciled in this artifact.

Atomic Fi Rate Limits is the machine-readable rate-limit profile for Atomic on the APIs.io network, in the API Commons Rate Limits shape.

It captures 3 rate-limit definitions, measuring requests, tasks, and deliveries.

An exhausted limit returns HTTP 429.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

The profile also includes 3 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Fintech, Payroll, Financial Connectivity, Rate Limiting, and Quotas.

3 Limits Exhausted: HTTP 429
Method: generated, dated 2026-07-01.
Written by API Evangelist on 2026-07-01 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
FintechPayrollFinancial ConnectivityRate LimitingQuotasThrottling

Limits

Backend API Requests account
requests
see provider agreement
Per-credential limits set by contract; API Key + Secret required.
Task Processing account
tasks
asynchronous / queued
Tasks are queued and processed async; poll status or use webhooks.
Webhook Delivery endpoint
deliveries
retried up to 3 times, 30s apart
Failed webhook deliveries are retried up to three times at 30-second intervals; manual replay available.

Policies

Server-Side Credentials
API Key and Secret must be used from a backend service, never exposed to client-side apps; clients use short-lived public tokens instead.
Backoff Strategy
Clients should implement exponential backoff with jitter and honor Retry-After on 429 responses.
Async by Design
Prefer webhooks (task-status-updated, payroll-data-fetched) over aggressive polling to stay within limits.

Sources

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

MCP server

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https://apis.io/mcp

Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/atomic-fi-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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