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Webhook vs Polling

Webhooks push data to your application immediately when an event occurs, while polling involves your application repeatedly querying an external service on a schedule to check for new data. Webhooks are more efficient for real-time integrations.

Comprendre Webhook vs Polling

The choice between webhooks and polling is fundamental in integration architecture. With polling, your application sends a request to an API on a regular interval — say, every 60 seconds — and asks 'is there anything new?' Most of the time, the answer is no, making the vast majority of requests wasteful. Polling is simple to implement but inefficient: it adds latency (up to one full poll interval before detecting an event), wastes API rate-limit quota, and consumes server resources unnecessarily.

Webhooks invert this relationship. Instead of your app asking the service for updates, the service pushes a notification to your app the moment an event occurs. This delivers near-zero latency, eliminates wasted requests, and scales efficiently. The trade-off is that webhooks require your application to have a publicly accessible endpoint and to handle incoming requests reliably.

For AI assistants and automation tools, webhooks are almost always the preferred approach. Reacting to a new email, Slack message, or calendar change in real time requires the low latency that only webhooks can provide. Polling-based systems introduce delays that defeat the purpose of real-time automation.

Comment GAIA utilise Webhook vs Polling

GAIA uses webhooks wherever available to receive notifications from connected services — Gmail, Google Calendar, Slack, Notion, and others. This means GAIA can typically react to a new email or urgent Slack message within a minute rather than waiting for a polling interval. For services that do not support webhooks, GAIA employs intelligent polling with adaptive intervals that increase frequency when activity is high and back off when quiet, minimizing unnecessary API calls.

Concepts liés

Webhook

Un webhook est un mécanisme de rappel HTTP par lequel un système envoie automatiquement une requête HTTP à une URL spécifiée dès qu’un événement défini survient, ce qui permet une notification et une intégration en temps réel entre services sans avoir à interroger régulièrement.

Intégration API

L'intégration API est le processus qui consiste à connecter différentes applications logicielles via leurs interfaces de programmation (API), leur permettant de partager facilement données et fonctionnalités.

Automatisation événementielle

L'automatisation événementielle (ou automatisation basée sur les événements) lance un workflow au moment où quelque chose se produit, comme l'arrivée d'un nouvel e-mail, la création d'un ticket ou l'ajout d'une ligne dans un tableur, plutôt qu'à heure fixe. Chaque automatisation associe un événement déclencheur aux actions à mener, et le système où l'événement a eu lieu prévient la plateforme d'automatisation, le plus souvent par un webhook.

Automatisation des flux de travail

L’automatisation des flux de travail consiste à utiliser la technologie pour exécuter automatiquement des processus et des tâches métier répétitives, réduisant ainsi les efforts manuels et les erreurs humaines.

Rate Limiting

Rate limiting is a technique used by APIs and servers to control the number of requests a client can make within a specified time window, protecting infrastructure from overload and preventing abuse.

Questions fréquentes

Webhooks deliver events instantly with no wasted requests, while polling introduces latency equal to the poll interval and makes many unnecessary API calls. For AI automation that needs to react to emails or messages promptly, webhooks are far more efficient.

Polling is appropriate when the data source does not support webhooks, when you need to query a service that changes on a known schedule, or when you are building a simple integration and the latency introduced by polling is acceptable for your use case.

Most webhook providers implement retry logic, attempting redelivery with exponential backoff if your endpoint returns an error. Your application should respond with a 200 status immediately upon receipt and process events asynchronously to avoid timeouts. GAIA handles webhook failures gracefully and falls back to polling when needed.

Polling consumes API rate limit quota with every request, even when there is no new data. Webhooks only consume resources when events actually occur, making them dramatically more rate-limit-efficient for integrations where events are infrequent.

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