ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Developer tools · #facebook
A decision guide for selecting the right Custom Audience type, correctly hashing identifiers, and validating uploads via the Marketing API.
Explore how Facebook's TAO handles billions of social graph edges using a read-through cache and write-behind MySQL sharding to achieve sub-millisecond latency.
Learn how to use cursor-based pagination in the Facebook Graph API to prevent data drift and duplicate records when retrieving dynamic datasets.
Facebook search interest in India has dropped 20% in the last year, but Meta is pivoting. Explore how Meta Connect 2026 is shifting focus to AI glasses, Quest 3S, and the Metaverse.
When Facebook Login fails with a redirect URI mismatch, the error code 102 or 400 appears. This guide walks through identifying the exact cause, running targeted checks, applying fixes, and knowing when to contact support.
Goal We want to retrieve user profile data for thousands of users in a single operation. The operation must finish in under 1 second when the service receives 200 concurrent requests. Context Under heavy load, the average round‑trip time for a single Graph API call spikes to 300 ms, causing the overall pipeline to exceed the SLA. Two documented approaches ex
Campaign Budget Optimization (CBO) Facebook's Campaign Budget Optimization (CBO) automatically distributes a total campaign budget across various ad sets to optimize for the lowest cost per result. This mechanism relies on an internal pacing algorithm to shift spend toward higher-performing audiences. While CBO is designed to improve efficiency for various w
I need to determine the order in which Facebook Login validates OAuth redirect URIs and TLS server certificates during the authorization-code flow. The App Dashboard requires exact redirect-URI matches, while certificate validation is delegated to the operating-system or SDK trust store. Facebook documentation does not state whether an unregistered redirect
Handling Graph API publish timeouts without duplicating posts When a POST to /{user-id}/feed exceeds the client timeout, Facebook returns (#613) Curl failed: Operation timed out after ... milliseconds . The API does not provide an idempotency key for publish operations, so a naive retry after this error can create a duplicate post if the original request eve