{"eid":"mongodb","name":"MongoDB Atlas","domain":"mongodb.com","resolved_by":"domain","topics":["compute","databases-kv","storage"],"n_records":4,"best_vorder":1,"review":null,"aliases":["MongoDB","MongoDB Atlas","MongoDB Atlas (M0 / Free cluster)","MongoDB Atlas (free cluster, formerly M0)","mongodb atlas free cluster (m0)","mongodb.com"],"records":[{"rid":"databases-kv/mongodb-atlas-m0","card":{"rid":"databases-kv/mongodb-atlas-m0","eid":"mongodb","topic":"databases-kv","slug":"mongodb-atlas-m0","provider":"MongoDB Atlas (free cluster, formerly M0)","url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","domain":"mongodb.com","category":"document database","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"documented","binding":"per-ip-shaping","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest,cli","egress_metered":1,"per_object_bytes":16777216,"retention_days":30,"verified_at":"2026-10-22T03:05:00.000Z","verified_basis":"live","checked_on":"2026-10-23","stale_on":"2026-11-22","n_evidence":2,"usd_month":null,"usd_per_tb_month":null,"summary":"0.5 GB of data storage on a shared cluster with three-node replication, one free cluster per project, free forever","duplicate_of":null,"n_unknown":1},"record":{"topic":"databases-kv","slug":"mongodb-atlas-m0","provider":"MongoDB Atlas (free cluster, formerly M0)","url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","category":"document database","free_tier":{"stated":"0.5 GB of data storage on a shared cluster with three-node replication, one free cluster per project, free forever","unit":"GB","source_url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","read_on":"2026-10-22","metered_on":"stored-bytes"},"per_object_cap":{"stated":"16 mebibytes per BSON document, which is the MongoDB engine limit and not a tier limit","bytes":16777216,"source_url":"https://www.mongodb.com/docs/manual/reference/limits/"},"retention":{"stated":"paused automatically after 30 days with zero connections; resumable unless the cluster ran a version Atlas can no longer restore to","days":30,"source_url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/"},"egress":{"terms":"10 GB in and 10 GB out per rolling seven-day period; exceeding it throttles the cluster and adds a one-second cooldown per connection","metered":true,"free_allowance":"10 GB out per 7 days","price_per_tb":null,"source_url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/"},"interface":["rest","cli"],"interface_detail":"the MongoDB wire protocol; a Data API for HTTPS access; the Atlas Administration API and the atlas CLI","tooling":"mongosh, any MongoDB driver, the atlas CLI","chaining":"a free document store that survives inactivity for a month, which is the longest idle clock in this class short of Aiven","limits":[{"kind":"per-ip-shaping","value":"100 operations per second, enforced by throttling with a one-second cooldown","source":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/"},{"kind":"per-object-cap","value":"0.5 GB of data storage; storage size is not configurable on a free cluster","source":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/"},{"kind":"request-rate","value":"10 GB in and 10 GB out per rolling 7-day period","source":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/"},{"kind":"retention-clamped","value":"paused after 30 days with zero connections","source":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/"}],"limits_note":"500 connections maximum; replication factor 3; no sharding, no network peering, and only a subset of regions","binding":"per-ip-shaping","identity_cost":{"kind":"email","detail":"an Atlas account; no card on Free","country":null},"reliability_note":"the page is explicit that Atlas may deactivate idle free clusters under its terms, and recommends exporting a copy before a long pause","confidence":"documented","confidence_note":"both pages were read today: the Atlas free-tier limits page for the 0.5 GB, the pause and the throttles, and the server limits page for the 16 mebibyte document cap. the page states 0.5 GB.","evidence":[{"url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","date":"2026-10-22","proved":"'Free clusters: 0.5 GB' for Data Storage; 'Atlas automatically pauses Free clusters after 30 days of inactivity where there are zero connections'; 10 GB in and out per rolling seven-day period; 100 operations per second; 500 connections; 'You can't configure storage size for Free clusters'"},{"url":"https://www.mongodb.com/docs/manual/reference/limits/","date":"2026-10-22","proved":"'The maximum BSON document size is 16 mebibytes', which is an engine limit and not an Atlas tier limit"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-22T03:05:00.000Z","price_per_tb_month":null,"notes":"0.5 GB is a hard wall rather than an overage, and 100 ops/s is a throughput cap that no storage allowance can exceed. The 30-day idle clock is the most forgiving in this class and it is still a clock."},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":0.5,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-ip-shaping","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:per-object-cap","num":0.5,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[2].value","kind":"limit:request-rate","num":10.0,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[3].value","kind":"limit:retention-clamped","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.confidence_note","partly-held"]],"history":[],"drift":[]},{"rid":"compute/mongodb","card":{"rid":"compute/mongodb","eid":"mongodb","topic":"compute","slug":"mongodb","provider":"MongoDB","url":"https://www.mongodb.com/solutions/startups","domain":"mongodb.com","category":"managed database","tier":null,"verdict":"fails-identity","vorder":4,"grp":"rejected","confidence":"documented","binding":"write-gated","identity_kind":"institution","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":1,"country":null,"crypto":null,"interfaces":"rest","egress_metered":null,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-22T00:00:00.000Z","verified_basis":"live","checked_on":"2026-10-22","stale_on":"2026-11-21","n_evidence":2,"usd_month":null,"usd_per_tb_month":null,"summary":"Free MongoDB Atlas credits and Voyage AI tokens across four tiers: Inspire for bootstrapped startups, Grow for early-funded, Innovate for rising VC-backed, a...","duplicate_of":null,"n_unknown":8},"record":{"topic":"compute","slug":"mongodb","provider":"MongoDB","url":"https://www.mongodb.com/solutions/startups","category":"managed database","free_tier":{"stated":"Free MongoDB Atlas credits and Voyage AI tokens across four tiers: Inspire for bootstrapped startups, Grow for early-funded, Innovate for rising VC-backed, and Scale for rapidly scaling. Base-tier eligibility: less than 7 years old, Series A or earlier, building a single software-based product, not previously accepted, with an active company website and LinkedIn profile.","unit":"none","metered_on":"wall-clock","source_url":"https://www.mongodb.com/solutions/startups","read_on":"2026-10-22","notes":"one-shot-credit"},"per_object_cap":{"stated":"not applicable","bytes":null,"source_url":"https://www.mongodb.com/solutions/startups","notes":null},"retention":{"stated":"not applicable","days":null,"source_url":"https://www.mongodb.com/solutions/startups","notes":null},"egress":{"terms":"not stated","metered":false,"free_allowance":null,"price_per_tb":null,"source_url":"https://www.mongodb.com/solutions/startups"},"interface":["rest"],"interface_detail":"inferred from the tooling the provider documents; not probed","tooling":"not stated","chaining":"Atlas credits at the small-cluster scale are worth tens of dollars a month, so even the top tier is a small absolute benefit beside the compute credits in this class. It composes with a Databricks application, since the two programs overlap on Neon.","limits":[{"kind":"write-gated","value":"The company-shaped application fails first, and the amount is undisclosed, so even a successful applicant cannot size the benefit before committing to the platform.","source":"https://www.mongodb.com/solutions/startups"}],"limits_note":"The company-shaped application fails first, and the amount is undisclosed, so even a successful applicant cannot size the benefit before committing to the platform.","binding":"write-gated","binding_note":"The company-shaped application fails first, and the amount is undisclosed, so even a successful applicant cannot size the benefit before committing to the platform.","identity_cost":{"kind":"institution","detail":"The base tier asks for a company less than seven years old at Series A or earlier with an active website and a LinkedIn profile, and refuses development shops and agencies. The credit value per tier is not published.","country":null},"reliability_note":"no reliability event recorded","confidence":"documented","evidence":[{"url":"https://www.mongodb.com/solutions/startups","date":"2026-10-22","proved":"four tiers named Inspire, Grow, Innovate and Scale, each described by funding stage, with no dollar amount published, quoted"},{"url":"https://www.mongodb.com/solutions/startups","date":"2026-10-22","proved":"base tier is 'Less than 7 years old and Series A or earlier', a single software product, an active company website and LinkedIn profile, quoted"}],"verdict":"fails-identity","verified_at":"2026-10-22T00:00:00.000Z","notes":"One partner landing page, cloud.google.com/mongodb/startups, states up to USD 5,000 in Atlas credits, which contradicts the program page's silence and may be a stale Google-specific co-offer. Recording null rather than either number; the vendor program page is the authority and it publishes none.","extras":{"wave2":{"class":"startup-credit","free_tier_kind":"one-shot-credit","shape":null}}},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:write-gated","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.egress.metered","egress-unknown"],["$.egress.terms","not-stated"],["$.per_object_cap.notes","process"],["$.per_object_cap.stated","not-applicable"],["$.reliability_note","none-observed"],["$.retention.notes","process"],["$.retention.stated","not-applicable"],["$.tooling","not-stated"]],"history":[],"drift":[]},{"rid":"storage/mongodb-atlas","card":{"rid":"storage/mongodb-atlas","eid":"mongodb","topic":"storage","slug":"mongodb-atlas","provider":"MongoDB Atlas (M0 / Free cluster)","url":"https://www.mongodb.com/atlas","domain":"mongodb.com","category":"paas","tier":null,"verdict":"fails-quota","vorder":6,"grp":"rejected","confidence":"reported","binding":"none","identity_kind":"email","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":null,"country":null,"crypto":null,"interfaces":"rest","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":3,"usd_month":null,"usd_per_tb_month":null,"summary":"512 MB data storage per free cluster (0.5 GB, uncompressed BSON + indexes); one free cluster per project; 250 projects per Atlas user and 250 per organization","duplicate_of":null,"n_unknown":8},"record":{"topic":"storage","slug":"mongodb-atlas","provider":"MongoDB Atlas (M0 / Free cluster)","url":"https://www.mongodb.com/atlas","category":"paas","free_tier":{"stated":"512 MB data storage per free cluster (0.5 GB, uncompressed BSON + indexes); one free cluster per project; 250 projects per Atlas user and 250 per organization","unit":"objects","metered_on":"stored-bytes","source_url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not stated","source_url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","notes":"not stated"},"egress":{"terms":"Data transfer out is not the metered axis on M0 — there is no published egress allowance or overage for Free clusters; the limits that bite are 500 connections and 100 ops/sec. Effectively unmetered for read volume, which makes M0 unusual in this class.","metered":false},"interface":["rest"],"interface_detail":"rest","tooling":"Standard MongoDB drivers (pymongo, motor), `mongosh`, Atlas Data API (HTTPS), `mongodump`/`mongorestore`; GridFS for files >16 MB via pymongo's gridfs","chaining":"250 projects per user x 1 free cluster each x 512 MB = ~128 GB per Atlas account, and 250 organizations per user gives another axis. GridFS chunks (255 KB default) mean no practical per-object cap beyond the 512 MB total.","limits":[],"limits_note":"512 MB total is tiny per unit — the whole value is the 250x multiplier. 100 ops/sec, 500 connections, no sharding, no configurable storage. Cluster creation is heavily rate-limited in practice (one free cluster per project, project creation itself throttled).","identity_cost":{"kind":"email","detail":null,"country":null},"reliability_note":"Free clusters are shared and throttle at 100 ops/sec; a bulk-write workload will be visibly slow rather than failing. Data is 3-node replicated, no vanishing.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://www.mongodb.com/pricing","date":"2026-10-21","proved":"'M0 | 512 MB | Shared | Shared | Free forever'"},{"url":"https://www.mongodb.com/docs/atlas/reference/free-shared-limitations/","date":"2026-10-21","proved":"'Free clusters: 0.5 GB ... all uncompressed BSON documents ... plus the bytes stored in their associated indexes'; 'only one Free cluster per project'"},{"url":"https://www.mongodb.com/docs/atlas/reference/atlas-limits/","date":"2026-10-21","proved":"'Projects per Atlas User | 250', 'Projects per Atlas Organization | 250'"}],"verdict":"fails-quota","verified_at":"2026-10-21T00:00:00.000Z","notes":"512 MB data storage per free cluster (0.5 GB, uncompressed BSON + indexes); one free cluster per project; 250 projects per Atlas user and 250 per organization","extras":{"dead_end":{"failure_class":"quota","why":"512 MB data storage per free cluster (0.5 GB, uncompressed BSON + indexes); one free cluster per project; 250 projects per Atlas user and 250 per organization","retry_when":null,"first_recorded":"2026-10-21"}},"binding":"none","binding_note":"no constraint of a named kind was recorded; the verdict rests on the quota sentence rather than on a named limit"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":512.0,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.identity_cost.detail","defaulted"],["$.identity_cost.kind","identity-defaulted"],["$.per_object_cap.notes","not-extracted"],["$.per_object_cap.stated","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]},{"rid":"storage/mongodb-atlas-free-cluster","card":{"rid":"storage/mongodb-atlas-free-cluster","eid":"mongodb","topic":"storage","slug":"mongodb-atlas-free-cluster","provider":"mongodb atlas free cluster (m0)","url":"https://www.mongodb.com/docs/atlas/reference/faq/storage/","domain":"mongodb.com","category":"rejected-provider","tier":null,"verdict":"fails-quota","vorder":6,"grp":"rejected","confidence":"reported","binding":"none","identity_kind":"email","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":null,"country":null,"crypto":null,"interfaces":null,"egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":1,"usd_month":null,"usd_per_tb_month":null,"summary":"Hard 512 MB, not configurable: 'you are over your space quota, using 513 MB of 512 MB'. Three orders of magnitude short.","duplicate_of":null,"n_unknown":15},"record":{"topic":"storage","slug":"mongodb-atlas-free-cluster","provider":"mongodb atlas free cluster (m0)","url":"https://www.mongodb.com/docs/atlas/reference/faq/storage/","category":"rejected-provider","free_tier":{"stated":"Hard 512 MB, not configurable: 'you are over your space quota, using 513 MB of 512 MB'. Three orders of magnitude short.","unit":"none","metered_on":"none","source_url":"https://www.mongodb.com/docs/atlas/reference/faq/storage/","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not recorded","bytes":null,"source_url":"https://www.mongodb.com/docs/atlas/reference/faq/storage/","notes":"not recorded"},"retention":{"stated":"not recorded","days":null,"source_url":"https://www.mongodb.com/docs/atlas/reference/faq/storage/","notes":null},"egress":{"terms":"not recorded","metered":false},"interface":["unknown"],"interface_detail":null,"tooling":"not recorded","chaining":"not recorded","limits":[],"limits_note":null,"identity_cost":{"kind":"email","detail":null,"country":null},"reliability_note":"Hard 512 MB, not configurable: 'you are over your space quota, using 513 MB of 512 MB'. Three orders of magnitude short.","confidence":"reported","confidence_note":null,"evidence":[{"url":"https://www.mongodb.com/docs/atlas/reference/faq/storage/","date":"2026-10-21","proved":"Hard 512 MB, not configurable: 'you are over your space quota, using 513 MB of 512 MB'. Three orders of magnitude short."}],"verdict":"fails-quota","verified_at":"2026-10-21T00:00:00.000Z","notes":"Hard 512 MB, not configurable: 'you are over your space quota, using 513 MB of 512 MB'. Three orders of magnitude short.","extras":{"dead_end":{"failure_class":"quota","why":"Hard 512 MB, not configurable: 'you are over your space quota, using 513 MB of 512 MB'. Three orders of magnitude short.","retry_when":null,"first_recorded":"2026-10-21"}},"binding":"none","binding_note":"no constraint of a named kind was recorded; the verdict rests on the quota sentence rather than on a named limit"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":512.0,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.chaining","not-recorded"],["$.confidence_note","withheld"],["$.egress.terms","not-recorded"],["$.extras.dead_end.retry_when","process"],["$.free_tier.notes","process"],["$.identity_cost.detail","defaulted"],["$.identity_cost.kind","identity-defaulted"],["$.interface","interface-unknown"],["$.interface_detail","withheld"],["$.limits_note","process"],["$.per_object_cap.notes","not-recorded"],["$.per_object_cap.stated","not-recorded"],["$.retention.notes","process"],["$.retention.stated","not-recorded"],["$.tooling","not-recorded"]],"history":[],"drift":[]}]}